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      <Form990PartVIISectionAGrp>
        <PersonNm>LAWRENCE S HALPERIN MD</PersonNm>
        <TitleTxt>BOC SECRETARY</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RAJ D RAO MD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BILL BRUCE</PersonNm>
        <TitleTxt>CHIEF TECHNOLOGY OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>30.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>244315</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>47610</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ELLEN MOORE</PersonNm>
        <TitleTxt>CHIEF EDUCATION OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>36935</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KAREN L HACKETT</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>61490</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD J STEWART</PersonNm>
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        <AverageHoursPerWeekRt>30.00</AverageHoursPerWeekRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD N PETERSON</PersonNm>
        <TitleTxt>GENERAL COUNSEL</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>45166</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>HOWARD MEVIS</PersonNm>
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        <OtherCompensationAmt>44030</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN MCSORLEY</PersonNm>
        <TitleTxt>DIR. CONVENTIONS/MEETINGS</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DEBORAH CUMMINS</PersonNm>
        <TitleTxt>DIRECTOR OF RESEARCH</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HANS KOELSCH</PersonNm>
        <TitleTxt>DIRECTOR OF PUBLICATIONS</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES OGLE</PersonNm>
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        <AverageHoursPerWeekRltdOrgRt>25.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER JONES</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TINA SLAGER</PersonNm>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>ALLIED PRA DESTINATION MANAGEMENT</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>290 KING STREET STE 11</AddressLine1Txt>
            <CityNm>SAN FRANCISCO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
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            <BusinessNameLine1Txt>AUGUST LANG &amp; HUSAK INC</BusinessNameLine1Txt>
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          <USAddress>
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            <StateAbbreviationCd>MD</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PERSONIFY</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>VA</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WEBER SHANDWICK</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 7247-6593</AddressLine1Txt>
            <CityNm>PHILADELPHIA</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BRIGHTFIND</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <ZIPCd>20910</ZIPCd>
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      <TotalContributionsAmt>22092819</TotalContributionsAmt>
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        <BusinessCd>541900</BusinessCd>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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        <ProgramServicesAmt>65985</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>234793</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>790453</ProgramServicesAmt>
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        <ProgramServicesAmt>995685</ProgramServicesAmt>
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        <ProgramServicesAmt>2163342</ProgramServicesAmt>
        <ManagementAndGeneralAmt>621527</ManagementAndGeneralAmt>
        <FundraisingAmt>1838</FundraisingAmt>
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        <ProgramServicesAmt>4770325</ProgramServicesAmt>
        <ManagementAndGeneralAmt>284531</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>3806375</ProgramServicesAmt>
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        <ProgramServicesAmt>45387</ProgramServicesAmt>
        <ManagementAndGeneralAmt>96407</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>2217841</ProgramServicesAmt>
        <ManagementAndGeneralAmt>68212</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>443479</ProgramServicesAmt>
        <ManagementAndGeneralAmt>264414</ManagementAndGeneralAmt>
        <FundraisingAmt>27562</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>UNRELATED BUSINESS INCO</Desc>
        <TotalAmt>109193</TotalAmt>
        <ProgramServicesAmt>60544</ProgramServicesAmt>
        <ManagementAndGeneralAmt>48649</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>2440</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1428</ManagementAndGeneralAmt>
        <FundraisingAmt>5852</FundraisingAmt>
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        <TotalAmt>46746176</TotalAmt>
        <ProgramServicesAmt>33098134</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13245042</ManagementAndGeneralAmt>
        <FundraisingAmt>403000</FundraisingAmt>
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        <EOYAmt>10015470</EOYAmt>
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        <EOYAmt>6459280</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>5631228</EOYAmt>
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        <BOYAmt>636802</BOYAmt>
        <EOYAmt>619306</EOYAmt>
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        <EOYAmt>3144773</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>28808674</LandBldgEquipCostOrOtherBssAmt>
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        <BOYAmt>11563768</BOYAmt>
        <EOYAmt>11446350</EOYAmt>
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        <EOYAmt>56386474</EOYAmt>
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          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>363999836</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE PERRY INITIATIVE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>450 STANYAN STREET</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94117</ZIPCd>
        </USAddress>
        <RecipientEIN>273728166</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10500</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>OKLAHOMA ORTHOPAEDIC SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>66 E LYNN ST</AddressLine1Txt>
          <CityNm>COLUMBUS</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>43215</ZIPCd>
        </USAddress>
        <RecipientEIN>731370645</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>9000</CashGrantAmt>
        <PurposeOfGrantTxt>STATE SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TEXAS ORTHOPAEDIC ASSOCIATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>401 WEST 15TH STE 820</AddressLine1Txt>
          <CityNm>AUSTIN</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>78701</ZIPCd>
        </USAddress>
        <RecipientEIN>742410142</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>6500</CashGrantAmt>
        <PurposeOfGrantTxt>STATE SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WESTERN ORTHOPAEDIC ASSOCIATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>110 WEST RD STE 227</AddressLine1Txt>
          <CityNm>TOWSON</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21204</ZIPCd>
        </USAddress>
        <RecipientEIN>941379470</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>6000</CashGrantAmt>
        <PurposeOfGrantTxt>STATE SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>KEELING FAMILY FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>21 SPINNING WHEEL RD STE 8D</AddressLine1Txt>
          <CityNm>HINSDALE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60521</ZIPCd>
        </USAddress>
        <RecipientEIN>363489906</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ST JUDE'S CHILDREN'S RESEARCH HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>501 ST JUDE PLACE</AddressLine1Txt>
          <CityNm>MEMPHIS</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>38105</ZIPCd>
        </USAddress>
        <RecipientEIN>620646012</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>HEALTH VOLUNTEERS OVERSEAS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1900 L STREET NW SUITE 310</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
        </USAddress>
        <RecipientEIN>521485477</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CHORDOMA FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>P O BOX 2127</AddressLine1Txt>
          <CityNm>DURHAM</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27702</ZIPCd>
        </USAddress>
        <RecipientEIN>208423943</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>11</Total501c3OrgCnt>
      <TotalOtherOrgCnt>4</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES CONTRIBUTIONS TO OTHER ENTITIES WITH SIMILAR ORTHOPAEDIC RELATED MISSIONS FOR THE GENERAL SUPPORT OF THESE ORGANIZATIONS. IF THE FUNDS ARE TO BE USED FOR GENERAL SUPPORT OF THEIR MISSION, WE DO NOT REQUIRE THESE ORGANIZATIONS TO SUBSTANTIATE THEIR EXPENDITURES RELATED TO THESE CONTRIBUTIONS. FOR SOME PROJECTS, HOWEVER, A FINAL REPORT IS REQUIRED TO SUBSTANTIATE THE EXPENDITURES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <FirstClassOrCharterTravelInd>X</FirstClassOrCharterTravelInd>
      <TravelForCompanionsInd>X</TravelForCompanionsInd>
      <IdemnificationGrossUpPmtsInd>X</IdemnificationGrossUpPmtsInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ANDREW N POLLAK MD</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>191970</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>191970</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BILL BRUCE</PersonNm>
        <TitleTxt>CHIEF TECHNOLOGY OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>231147</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>7754</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>5414</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>27815</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19795</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>291925</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ELLEN MOORE</PersonNm>
        <TitleTxt>CHIEF EDUCATION OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>249175</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>5101</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1802</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>28600</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8335</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>293013</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN L HACKETT</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>460401</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>80000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>4570</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>45500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>606461</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD J STEWART</PersonNm>
        <TitleTxt>CFO/COO</TitleTxt>
        <BaseCompensationFilingOrgAmt>311590</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>40507</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>9195</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>31496</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>408778</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD N PETERSON</PersonNm>
        <TitleTxt>GENERAL COUNSEL</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>9981</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>29176</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>360350</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HOWARD MEVIS</PersonNm>
        <TitleTxt>DIRECTOR OF ELEC MEDIA, EV</TitleTxt>
        <BaseCompensationFilingOrgAmt>220242</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>761</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>7802</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>28040</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>272835</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUSAN MCSORLEY</PersonNm>
        <TitleTxt>DIR. CONVENTIONS/MEETINGS</TitleTxt>
        <BaseCompensationFilingOrgAmt>169514</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>4261</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>4769</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>21478</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19795</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>219817</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DEBORAH CUMMINS</PersonNm>
        <TitleTxt>DIRECTOR OF RESEARCH</TitleTxt>
        <BaseCompensationFilingOrgAmt>157860</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>5256</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19937</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>199297</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HANS KOELSCH</PersonNm>
        <TitleTxt>DIRECTOR OF PUBLICATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>174669</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>2754</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1498</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22692</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>217603</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMES OGLE</PersonNm>
        <TitleTxt>DIRECTOR OF INFORMATION SE</TitleTxt>
        <BaseCompensationFilingOrgAmt>192605</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>761</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3104</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22647</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>235107</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JENNIFER JONES</PersonNm>
        <TitleTxt>DIR. OF SOCIETY RELATIONS</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3555</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22044</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>203519</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TINA SLAGER</PersonNm>
        <TitleTxt>DIRECTOR OF FINANCE</TitleTxt>
        <BaseCompensationFilingOrgAmt>149540</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>507</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>4254</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>18718</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12898</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>185917</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>AIRFARE ONE CLASS UP FROM COACH IS AVAILABLE TO THE PRESIDENTIAL LINE FOR ALL ACADEMY ACTIVITIES, AND ONE PERSON RECEIVED THIS BENEFIT IN 2014, WHICH IS NOT TREATED AS TAXABLE COMPENSATION. AIRFARE ONE CLASS UP FROM COACH IS AVAILABLE TO THE BOARD OF DIRECTORS FOR ALL BOARD-RELATED ACTIVITIES AND 9 PEOPLE RECEIVED THIS BENEFIT IN 2014, WHICH IS NOT TREATED AS TAXABLE COMPENSATION. TRAVEL FOR COMPANIONS IS AVAILABLE TO THE BOARD OF DIRECTORS AND EXECUTIVE TEAM MEMBERS (CEO, COO/CFO, CHIEF TECHNOLOGY OFFICER, CHIEF EDUCATION OFFICER, MEDICAL DIRECTOR, AND GENERAL COUNSEL) AND THE AMOUNT OF COMPANION TRAVEL WAS TREATED AS TAXABLE COMPENSATION TO ALL WHO RECEIVED THIS BENEFIT (4 PEOPLE IN 2014). THE BOARD OF DIRECTORS RECEIVES GROSS-UP PAYMENTS FOR THIS COMPENSATION AND THAT IS ALSO TREATED AS TAXABLE COMPENSATION (17 PEOPLE IN 2014).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>KAREN HACKETT, CHIEF EXECUTIVE OFFICER, ACCRUED A 457F SUPPLEMENTAL RETIREMENT PAYMENT OF $16,500, WHICH IS INCLUDED IN SCHEDULE J, PART II DEFERRED COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>ANDREW N POLLAK MD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER</RelationshipDescriptionTxt>
        <TransactionAmt>186588</TransactionAmt>
        <TransactionDesc>THE BOARD MEMBER IS THE EDITOR OF ONE OF THE ACADEMY'S PRODUCT LINES. HIS COMPANY RECEIVES A ROYALTY BASED ON A PERCENTAGE OF THE SALES ASSOCIATED WITH THAT PRODUCT LINE.</TransactionDesc>
        <SharingOfRevenuesInd>1</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A MEMBERSHIP ASSOCIATION, THE ORGANIZATION CURRENTLY HAS 38,015 MEMBERS. THERE ARE TWO CATEGORIES OF MEMBERSHIP IN THE ACADEMY: FELLOWS AND MEMBERS. ONLY FELLOWS SHALL HAVE THE RIGHT TO VOTE AND HOLD OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTIONS OF THE OFFICERS AND THE AT-LARGE MEMBERS OF THE ACADEMY BOARD OF DIRECTORS SHALL BE DETERMINED BY THE ADOPTION OF THE REPORT OF THE NOMINATING COMMITTEE OR BY THE VOICE, WRITTEN, OR ELECTRONIC BALLOT OF THOSE FELLOWS PRESENT AT THE BUSINESS MEETING OF THE ANNUAL MEETING. EACH FELLOW WHO IS PRESENT AT THE BUSINESS MEETING OF THE ANNUAL MEETING SHALL BE ENTITLED TO ONE (1) VOTE FOR EACH OFFICER OF THE ACADEMY, MEMBER OF THE BOARD OF DIRECTORS, MEMBER OF THE MEMBERSHIP COMMITTEE, AND NOMINEES TO THE AMERICAN BOARD OF ORTHOPAEDIC SURGERY TO BE ELECTED. THOSE INDIVIDUALS RECEIVING THE GREATEST NUMBER OF VOTES SHALL BE CONSIDERED ELECTED, EVEN IF THEY DO NOT RECEIVE A MAJORITY OF THE VOTES CAST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD RETAINS THE SERVICES OF AN INDEPENDENT CPA FIRM TO PREPARE THE ORGANIZATION'S FORM 990. MANAGEMENT REVIEWS THE COMPLETED FORM 990 AND PROVIDES A FULL COPY TO ALL VOTING MEMBERS OF THE GOVERNING BODY PRIOR TO FILING. A CONFERENCE CALL IS SCHEDULED FOR THE CPA FIRM AND ORGANIZATION MANAGEMENT TO DISCUSS THE FORM 990 WITH THE FINANCE COMMITTEE AND TO ANSWER ANY QUESTIONS PRIOR TO FILING FORM 990 WITH THE IRS. THE FINANCE COMMITTEE HAS BEEN DELEGATED THE AUTHORITY TO REVIEW AND APPROVE THE FORM 990 BY THE VOTING MEMBERS OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS, KEY VOLUNTEERS, AND KEY STAFF ARE NOTIFIED IN WRITING TWICE A YEAR TO UPDATE THEIR WRITTEN DISCLOSURES. THE DISCLOSURE DATABASE IS MAINTAINED ELECTRONICALLY AND ANYONE WHO HAS NOT UPDATED THEIR RECORD IS NOTIFIED UNTIL THEY HAVE DONE SO. ADDITIONALLY, BEFORE EVERY BOARD AND COMMITTEE MEETING PARTICIPANTS ARE ASKED IF THEY HAVE ANYTHING NEW TO DISCLOSE. THE CHAIR OF THE GOVERNANCE GROUP SHALL ALSO HAVE THE PREROGATIVE OF REQUESTING A PARTICIPANT TO PROVIDE FURTHER INFORMATION OR AN EXPLANATION IF THE CHAIR IDENTIFIES A POTENTIAL CONFLICT OF INTEREST REGARDING THAT PARTICIPANT. THE CHAIR SHALL BE GUIDED BY THE MOST CURRENT VERSION OF THE PROTOCOL FOR THE PRESIDENT TO USE IN HANDLING POTENTIAL CONFLICT OF INTEREST ISSUES BEFORE THE ACADEMY BOARD OF DIRECTORS. BASED ON THE INFORMATION PROVIDED IN THE ACADEMY ORTHOPAEDIC DISCLOSURE PROGRAM AND/OR UPON A FURTHER REVIEW, THE CHAIR OF THE ACADEMY GOVERNANCE GROUP MAY DETERMINE THAT THE PARTICIPANT SHALL: 1) DISCLOSE THE POTENTIAL CONFLICT AND CONTINUE TO PARTICIPATE FULLY IN THE ACADEMY GOVERNANCE GROUP'S DISCUSSIONS AND VOTE; ["DISCLOSURE OPTION"] 2) DISCLOSE THE POTENTIAL CONFLICT, ADDRESS ANY QUESTIONS OTHER MEMBERS OF THE GROUP HAVE ON THE SUBJECT, THEN LEAVE THE ROOM AND NOT PARTICIPATE IN FURTHER DISCUSSION AND VOTE ["RECUSAL FROM VOTE OPTION"] OR 3) DEPART FROM THE ROOM UNTIL THE MATTER HAS BEEN FULLY DISCUSSED AND ACTED UPON. ["RECUSAL FROM DISCUSSION AND VOTE OPTION"].</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMPENSATION COMMITTEE IS DESIGNATED BY THE VOTING MEMBERS OF THE GOVERNING BODY AND IS CHARGED WITH DEVELOPING AND NEGOTIATING THE TERMS OF EMPLOYMENT AND ESTABLISHING THE TOTAL COMPENSATION PACKAGE FOR DESIGNATED POSITIONS WHICH INCLUDE OFFICERS AND KEY EMPLOYEES. AN EVALUATION PROCESS IS COMPLETED ANNUALLY AND A RECOMMENDATION IS MADE REGARDING COMPENSATION THAT IS SENT TO THE BOARD FOR APPROVAL. THIS PROCESS INCLUDES THE CHIEF EXECUTIVE OFFICER, CHIEF OPERATING OFFICER/CHIEF FINANCIAL OFFICER, CHIEF TECHNOLOGY OFFICER, CHIEF EDUCATION OFFICER, MEDICAL DIRECTOR, AND GENERAL COUNSEL. FOR ALL OTHER KEY EMPLOYEES AND STAFF POSITIONS, A MARKET STUDY REVIEW IS PERFORMED EVERY THREE TO FOUR YEARS COMPARING JOB DESCRIPTIONS WITH OTHER ENTITIES TO DETERMINE REASONABLE SALARY RANGES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND THE CONFLICT OF INTEREST POLICY ARE AVAILABLE ON THE ORGANIZATION'S WEBSITE WHICH IS OPEN TO THE PUBLIC. FINANCIAL STATEMENTS ARE AVAILABLE THROUGH THE APPLICABLE GOVERNMENTAL AGENCIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>LOSS ON ORTHO PROPERTIES LLC -828,055.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT, FIRST VICE-PRESIDENT, TREASURER, CHAIR OF THE BOARD OF COUNCILORS, AND CHAIR OF THE BOARD OF SPECIALTY SOCIETIES SHALL CONSTITUTE THE EXECUTIVE COMMITTEE. THE EXECUTIVE COMMITTEE SHALL HANDLE MATTERS REQUIRING ACTION BETWEEN BOARD MEETINGS. THE EXECUTIVE COMMITTEE MAY ACT ON BEHALF OF THE BOARD OF DIRECTORS BETWEEN MEETINGS OF THE BOARD, BUT SUCH ACTIONS ARE SUBJECT TO RATIFICATION BY THE FULL BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMERICAN ASSOCIATION OF ORTHOPAEDIC SURGEONS</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS ROAD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>364241052</EIN>
        <PrimaryActivitiesTxt>ADVOCACY ACTIVITIES ON BEHALF OF PATIENTS AND PROFESSIONALS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CENTER FOR ORTHOPAEDIC ADVANCEMENT NFP</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS ROAD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>263164922</EIN>
        <PrimaryActivitiesTxt>SUPPORT EDUCATIONAL ACTIVITIES OF AAOS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 11A, I</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMERICAN JOINT REPLACEMENT REGISTRY NFP</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>9400 W HIGGINS ROAD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>270645591</EIN>
        <PrimaryActivitiesTxt>FOSTER A NATIONAL CENTER FOR DATA COLLECTION ON JOINT REPLACEMENTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 11A, I</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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          <AddressLine1Txt>9400 W HIGGINS ROAD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>320402949</EIN>
        <PrimaryActivitiesTxt>RENTAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <PredominantIncomeTypeTxt>RELATED</PredominantIncomeTypeTxt>
        <ShareOfTotalIncomeAmt>-828055</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>14771653</ShareOfEOYAssetsAmt>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>1</GeneralOrManagingPartnerInd>
        <OwnershipPct>0.68650</OwnershipPct>
      </IdRelatedOrgTxblPartnershipGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>1</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>1</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AMERICAN ASSOCIATION OF ORTHOPAEDIC SURGEONS</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
        <InvolvedAmt>17060000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AMERICAN ASSOCIATION OF ORTHOPAEDIC SURGEONS</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>3552414</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>260248</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>2093208</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>J</TransactionTypeTxt>
        <InvolvedAmt>208450</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>R</TransactionTypeTxt>
        <InvolvedAmt>209311</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>