<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2021v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2022-11-15T08:49:45-06:00</ReturnTs>
    <TaxPeriodEndDt>2021-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>362985770</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SELDEN FOX LTD</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>619 ENTERPRISE DRIVE</AddressLine1Txt>
        <CityNm>OAK BROOK</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>605238835</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>436058456</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>AMERICAN HEADACHE SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>AMER</BusinessNameControlTxt>
      <PhoneNum>8564230043</PhoneNum>
      <USAddress>
        <AddressLine1Txt>19 MANUTA ROAD</AddressLine1Txt>
        <CityNm>MOUNT ROYAL</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>08061</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>TODD J SCHWEDT MD MSCI FAHS</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>8564230043</PhoneNum>
      <SignatureDt>2022-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>TODD</PersonFirstNm>
        <PersonLastNm>SCHWEDT MD MSCI FAHS</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>ROBERT G WUJEK</PreparerPersonNm>
      <PTIN>P01367472</PTIN>
      <PhoneNum>6309541400</PhoneNum>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>3</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2021</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>HOWARD ROSEN</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>19 MANUTA ROAD</AddressLine1Txt>
        <CityNm>MOUNT ROYAL</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>08061</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>9167771</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>AMERICANHEADACHESOCIETY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1962</FormationYr>
      <LegalDomicileStateCd>MO</LegalDomicileStateCd>
      <ActivityOrMissionDesc>IMPROVE THE CARE AND LIVES OF PEOPLE LIVING WITH HEADACHE DISORDERS</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>14</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>14</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>125</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>45000</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>111000</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>974507</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>3697549</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>52718</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>72507</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>1072225</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>3881056</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>15000</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>60679</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>8666</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>929629</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>3416814</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>953295</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>3477493</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>118930</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>403563</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>8093168</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>7234792</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>3108671</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1986294</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>4984497</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>5248498</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>THE AMERICAN HEADACHE SOCIETY (AHS) IS A NONPROFIT PROFESSIONAL SOCIETY OF HEALTHCARE PROVIDERS DEDICATED TO THE STUDY AND TREATMENT OF HEADACHE AND FACE PAIN IN ORDER TO IMPROVE THE CARE AND LIVES OF PEOPLE LIVING WITH HEADACHE DISORDERS. IN ACCORDANCE WITH THIS MISSION, AHS PROMOTES THE EXCHANGE OF INFORMATION AND IDEAS CONCERNING THE CAUSES AND TREATMENTS OF HEADACHE AND RELATED PAIN DISORDERS; EDUCATES PHYSICIANS, HEALTH PROFESSIONALS, AND THE PUBLIC; AND ENCOURAGES SCIENTIFIC RESEARCH.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>2028407</ExpenseAmt>
      <GrantAmt>60679</GrantAmt>
      <RevenueAmt>2287493</RevenueAmt>
      <Desc>EDUCATIONAL CONFERENCES AND EVENTS - AHS IS AN ACCREDITED CONTINUING MEDICAL EDUCATION SPONSOR AHS HOSTS A VARIETY OF EDUCATIONAL CONFERENCES AND EVENTS THROUGHOUT THE YEAR DESIGNED TO EMPOWER HEALTHCARE PROVIDERS AND MEDICAL STUDENTS AND EDUCATE THEM ON RECENT RESEARCH AND TREATMENT OPTIONS IN THE FIELD OF HEADACHE MEDICINE. THESE CONFERENCES AND EVENTS INCLUDE:-ANNUAL SCIENTIFIC MEETING-ANNUAL SCOTTSDALE HEADACHE SYMPOSIUM-NEXT GENERATION MIGRAINE THERAPIES PROGRAM-INTERNATIONAL HEADACHE ACADEMY-PRIMARY CARE EDUCATION PROGRAM-EMERGING LEADERS AND RESIDENT EDUCATION PROGRAMS</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>289664</ExpenseAmt>
        <RevenueAmt>1410056</RevenueAmt>
        <Desc>MEMBERSHIP AND PUBLICATIONS - AS A PROFESSIONAL MEMBERSHIP SOCIETY OF HEALTHCARE PROVIDERS DEDICATED TO THE STUDY AND TREATMENT OF HEADACHE AND FACE PAIN, AHS ASSESSES MEMBERSHIP DUES. AHS ALSO RECEIVES VARIOUS ROYALTIES AND EDITORIAL REIMBURSEMENTS UNDER PUBLICATION AGREEMENTS, INCLUDING THOSE FOR ITS JOURNAL "HEADACHE: THE JOURNAL OF HEAD AND FACE PAIN". THE JOURNAL IS PUBLISHED 10 TIMES YEAR AND FEATURES ORIGINAL ARTICLES ON ALL ASPECTS OF HEAD AND FACE PAIN INCLUDING COMMUNICATIONS ON CLINICAL AND BASIC RESEARCH, DIAGNOSIS AND MANAGEMENT, EPIDEMIOLOGY, GENETICS, AND PATHOPHYSIOLOGY OF PRIMARY AND SECONDARY HEADACHES, CRANIAL NEURALGIAS, AND PAINS REFERRED TO THE HEAD AND FACE.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>2318071</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="RetDoc1042800001">0</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="RetDoc1042800001">0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="RetDoc1042800001">1</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>34</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>14</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>14</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>0</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>0</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>NJ</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>TALLEY MANAGEMENT GROUP INC</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>8564237222</PhoneNum>
        <USAddress>
          <AddressLine1Txt>19 MANTUA ROAD</AddressLine1Txt>
          <CityNm>MOUNT ROYAL</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08061</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>PETER J GOADSBY MD PHD FAHS</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANDREW C CHARLES MD FAHS</PersonNm>
        <TitleTxt>PRESIDENT-ELECT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TODD J SCHWEDT MD MSCI FAHS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW S ROBBINS MD FAHS</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATHLEEN B DIGRE MD FAHS</PersonNm>
        <TitleTxt>IMMEDIATE PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LAWRENCE C NEWMAN MD FAHS</PersonNm>
        <TitleTxt>CHAIR, AMERICAN MIGRAINE FOUNDATION</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JESSICA AILANI MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>1500</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>REBECCA BURCH MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>2000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAWN C BUSE PHD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTINE LAY MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MORRIS LEVIN MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NOAH L ROSEN MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>1000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEWART J TEPPER MD FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>REBECCA E WELLS MD MPH FAHS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>7500</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HOWARD ROSEN</PersonNm>
        <TitleTxt>CEO (TMG)</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>12000</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>TALLEY MANAGEMENT GROUP INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>19 MANTUA ROAD</AddressLine1Txt>
            <CityNm>MOUNT ROYAL</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>08061</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MANAGEMENT SERVICES</ServicesDesc>
        <CompensationAmt>1342746</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CONCENTRIC PARTNERS LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1 WORLD TRADE CENTER FLOOR 68</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10007</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MARKETING &amp; COMMUNICATIONS</ServicesDesc>
        <CompensationAmt>339962</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>GRUV AUDIO VISUAL</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1671 COMMANCHE DRIVE</AddressLine1Txt>
            <CityNm>LAS VEGAS</CityNm>
            <StateAbbreviationCd>NV</StateAbbreviationCd>
            <ZIPCd>89169</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>AUDIO VISUAL</ServicesDesc>
        <CompensationAmt>191349</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>YAKKETY YAK LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>550 EAST FIRST STREET</AddressLine1Txt>
            <CityNm>HINSDALE</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60521</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MARKETING &amp; COMMUNICATIONS</ServicesDesc>
        <CompensationAmt>163233</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ORIGIN EDITORIAL LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>14274 W 88TH DRIVE UNIT A</AddressLine1Txt>
            <CityNm>ARVADA</CityNm>
            <StateAbbreviationCd>CO</StateAbbreviationCd>
            <ZIPCd>80005</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EDITORIAL SERVICES</ServicesDesc>
        <CompensationAmt>114000</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>111000</AllOtherContributionsAmt>
      <TotalContributionsAmt>111000</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCES &amp; EVENTS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>2287493</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2287493</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>648900</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>648900</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>JOURNAL &amp; PUBLICATIONS</Desc>
        <BusinessCd>511120</BusinessCd>
        <TotalRevenueColumnAmt>601156</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>601156</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>COLLABORATIVE RESEARCH</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>160000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>160000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3697549</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>51621</TotalRevenueColumnAmt>
        <ExclusionAmt>51621</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>5307601</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>5286715</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>20886</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>20886</TotalRevenueColumnAmt>
        <ExclusionAmt>20886</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3881056</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3697549</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>72507</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>60679</TotalAmt>
        <ProgramServicesAmt>60679</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>1261519</TotalAmt>
        <ProgramServicesAmt>776087</ProgramServicesAmt>
        <ManagementAndGeneralAmt>485432</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>9212</TotalAmt>
        <ManagementAndGeneralAmt>9212</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>8250</TotalAmt>
        <ManagementAndGeneralAmt>8250</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>15715</TotalAmt>
        <ManagementAndGeneralAmt>15715</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>965347</TotalAmt>
        <ProgramServicesAmt>535648</ProgramServicesAmt>
        <ManagementAndGeneralAmt>429699</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>53509</TotalAmt>
        <ProgramServicesAmt>10277</ProgramServicesAmt>
        <ManagementAndGeneralAmt>43232</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>164921</TotalAmt>
        <ProgramServicesAmt>127837</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37084</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>122946</TotalAmt>
        <ProgramServicesAmt>97317</ProgramServicesAmt>
        <ManagementAndGeneralAmt>25629</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>510821</TotalAmt>
        <ProgramServicesAmt>510821</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>6611</TotalAmt>
        <ManagementAndGeneralAmt>6611</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>BANK &amp; CREDIT CARD FEES</Desc>
        <TotalAmt>109080</TotalAmt>
        <ProgramServicesAmt>81763</ProgramServicesAmt>
        <ManagementAndGeneralAmt>27317</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>188883</TotalAmt>
        <ProgramServicesAmt>117642</ProgramServicesAmt>
        <ManagementAndGeneralAmt>71241</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>3477493</TotalAmt>
        <ProgramServicesAmt>2318071</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1159422</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1838384</BOYAmt>
        <EOYAmt>2651198</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1224802</BOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>423256</BOYAmt>
        <EOYAmt>26156</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>53451</BOYAmt>
        <EOYAmt>87846</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>203576</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>203576</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>4539568</BOYAmt>
        <EOYAmt>4455117</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>13707</BOYAmt>
        <EOYAmt>14475</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>8093168</BOYAmt>
        <EOYAmt>7234792</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>191271</BOYAmt>
        <EOYAmt>569345</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>1625224</BOYAmt>
        <EOYAmt>1412355</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>1292176</BOYAmt>
        <EOYAmt>4594</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>3108671</BOYAmt>
        <EOYAmt>1986294</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>4984497</BOYAmt>
        <EOYAmt>5248498</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>4984497</BOYAmt>
        <EOYAmt>5248498</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>8093168</BOYAmt>
        <EOYAmt>7234792</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>403563</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-139562</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>3823386</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6589066</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3128048</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>45000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>111000</CurrentTaxYearAmt>
        <TotalAmt>13696500</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>3482479</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5220242</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3723581</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>974507</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3697549</CurrentTaxYearAmt>
        <TotalAmt>17098358</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>7305865</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>11809308</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>6851629</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1019507</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3808549</CurrentTaxYearAmt>
        <TotalAmt>30794858</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>2275865</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1569575</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1228260</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>484405</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1287462</CurrentTaxYearAmt>
        <TotalAmt>6845567</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>2275865</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1569575</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1228260</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>484405</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1287462</CurrentTaxYearAmt>
        <TotalAmt>6845567</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>23949291</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>360882</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>90175</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>118919</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>20876</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>51621</CurrentTaxYearAmt>
        <TotalAmt>642473</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>360882</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>90175</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>118919</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>20876</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>51621</CurrentTaxYearAmt>
        <TotalAmt>642473</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>92103</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>92103</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>7758850</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>11899483</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>6970548</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1040383</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3860170</CurrentTaxYearAmt>
        <TotalAmt>31529434</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.75960</PublicSupportCY509Pct>
      <InvestmentIncomeCYPct>0.02040</InvestmentIncomeCYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, SHORT YEAR EXPLANATION:</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS CHANGED ITS FISCAL YEAR FROM AUGUST 31 TO DECEMBER 31 IN 2020. AS SUCH, THE INFORMATION PRESENTED IN PART II FOR 2020 IS FOR THE SHORT PERIOD FROM SEPTEMBER 1, 2020 THROUGH DECEMBER 31, 2020.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>203576</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>203576</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO AMERICAN MIGRAINE FOUNDATION, INC.</Desc>
        <Amt>4594</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>4594</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3725779</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-139562</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>-139562</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3865341</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>15715</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>15715</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3881056</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3461778</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3461778</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>15715</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>15715</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3477493</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS FOLLOWS THE FINANCIAL ACCOUNTING STANDARDS BOARD REQUIREMENTS FOR ACCOUNTING FOR UNCERTAIN TAX POSITIONS AND HAS DETERMINED THEY ARE NOT REQUIRED TO RECORD A LIABILITY FOR ANY SUCH POSITIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>RESEARCH &amp; EDUCATION</GrantTypeTxt>
        <RecipientCnt>5</RecipientCnt>
        <CashGrantAmt>46500</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL ASSISTANCE</GrantTypeTxt>
        <RecipientCnt>14</RecipientCnt>
        <CashGrantAmt>14178</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS PROVIDES RESEACH AND EDUCATIONAL FELLOWSHIP AWARDS BASED ON MERIT BASED PROPOSALS, WHILE OTHER GRANT FUNDS ARE AWARDED TO INDIVIDUALS TO SUPPORT THEIR TRAVEL TO ATTEND VARIOUS AHS CONFERENCES AND EVENTS. THESE TRAVEL AWARDS ARE MONITORED BY ENSURING THE GRANTEES' ATTENDANCE AT THE EVENT AND VERIFYING THEIR TRAVEL COSTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>REBECCA E WELLS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER-AT-LARGE</RelationshipDescriptionTxt>
        <TransactionAmt>7500</TransactionAmt>
        <TransactionDesc>EARLY CAREER AWARD</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>JESSICA AILANI</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER-AT-LARGE</RelationshipDescriptionTxt>
        <TransactionAmt>1500</TransactionAmt>
        <TransactionDesc>HONORARIUM</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>REBECCA BURCH</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER-AT-LARGE</RelationshipDescriptionTxt>
        <TransactionAmt>2000</TransactionAmt>
        <TransactionDesc>HONORARIUM</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>NOAH LROSEN</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER-AT-LARGE</RelationshipDescriptionTxt>
        <TransactionAmt>1000</TransactionAmt>
        <TransactionDesc>HONORARIUM</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS HAS CONTRACTED TALLEY MANAGEMENT GROUP, INC. (TMG) OF MOUNT ROYAL, NJ TO MANAGE ITS OPERATIONS. TMG IS A MANAGEMENT COMPANY WHICH MANAGES ALL ASPECTS OF AHS IN ACCORDANCE WITH AHS' BYLAWS AND POLICIES. OPERATIONS MAY INCLUDE, BUT ARE NOT LIMITED TO ADMINISTRATION, MEMBERSHIP, FINANCE AND ACCOUNTING, CONFERENCE AND EVENT MANAGEMENT, EDUCATION, MARKETING, AND INFORMATION TECHNOLOGY. TMG EMPLOYEES PROVIDE THESE SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS HAS THE FOLLOWING CLASSES OF MEMBERSHIP: ACTIVE, ASSOCIATE, TRAINEE, EMERITUS, AND HONORARY. ACTIVE MEMBERSHIP IS RESTRICTED TO PROFESSIONALS HOLDING ONE OF THE FOLLOWING DEGREES: MD, DO (OR ITS EQUIVALENT AS DEFINED BY THE AMERICAN MEDICAL ASSOCIATION), A DEGREE IN DENTISTRY (DMD OR DDS), A DOCTORATE IN PHARMACY (PHARMD) OR A PHD IN A HEALTH-RELATED FIELD, SUCH AS BIOCHEMISTRY, PHARMACOLOGY OR PSYCHOLOGY. ASSOCIATE MEMBERSHIP IS FOR NURSE PRACTITIONERS, REGISTERED NURSES, PHARMACISTS, SOCIAL WORKERS, MASTER LEVEL PSYCHOLOGISTS, PHYSICAL THERAPISTS AND PHYSICIAN'S ASSISTANTS. TRAINEE MEMBERSHIP IS FOR HEALTH PROFESSIONALS CURRENTLY ENROLLED FULL TIME IN GRADUATE OR POSTGRADUATE TRAINING IN THE FIELDS OF MEDICINE, DENTISTRY, PSYCHOLOGY, OR OTHER BIOSCIENCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE AND EMERITUS MEMBERS ARE ALLOWED VOTING PRIVILEGES AND MAY BE ELECTED TO THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>SUBSTANTIVE CHANGES TO AHS' BYLAWS REQUIRE AN AFFIRMATIVE VOTE OF TWO-THIRDS OF A QUORUM (10%) OF VOTING MEMBERS IN ORDER TO TAKE EFFECT. IN ADDITION, A DIRECTOR MAY BE REMOVED WITH OR WITHOUT CAUSE BY A TWO-THIRDS VOTE OF VOTING MEMBERS PRESENT IN PERSON OR BY PROXY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PREPARED BY INDEPENDENT PUBLIC ACCOUNTANTS AND SUBMITTED TO AHS' MANAGEMENT COMPANY FOR INITIAL REVIEW. THE FORM IS THEM SUBMITTED TO THE BOARD OF DIRECTORS FOR REVIEW AND DISCUSSION PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS AND OTHER INDIVIDUALS INVOLVED IN AHS' GOVERNANCE MUST PROVIDE COMPLETE, TIMELY, ACCURATE AND SIGNED DISCLOSURE STATEMENTS ANNUALLY. COMPLIANCE WITH THIS PROCESS IS MANDATORY FOR PARTICIPATION IN AHS ACTIVITIES. THESE DISCLOSURE STATEMENTS ARE REVIEWED BY THE AHS ETHICS COMMITTEE ON AN ANNUAL BASIS. THE COMMITTEE DETERMINES WHETHER OR NOT A CONFLICT EXISTS. SHOULD A CONFLICT BE IDENTIFIED, CORRECTIVE ACTION CAN TAKE THE FORM OF DISCLOSURE, BOARD RECUSAL, AND/OR REMOVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>MARKETING &amp; COMMUNICATIONS: PROGRAM SERVICE EXPENSES 167,433. MANAGEMENT AND GENERAL EXPENSES 332,675. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 500,108. PUBLICATIONS: PROGRAM SERVICE EXPENSES 280,233. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 280,233. OTHER: PROGRAM SERVICE EXPENSES 87,982. MANAGEMENT AND GENERAL EXPENSES 97,024. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 185,006.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>AHS' BOARD OF DIRECTORS IS RESPONSIBLE FOR THE OVERSIGHT OF THE AUDIT AND SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM PRIOR YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMERICAN MIGRAINE FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>19 MANTUA ROAD</AddressLine1Txt>
          <CityNm>MOUNT ROYAL</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08061</ZIPCd>
        </USAddress>
        <EIN>852527027</EIN>
        <PrimaryActivitiesTxt>PATIENT SUPPORT &amp; ADVOCACY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NJ</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
