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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Brent E Masel MD</PersonNm>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>James Richard McCord III</PersonNm>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Jane Broyles Smith</PersonNm>
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      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
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        <ContributionsAmt>10000</ContributionsAmt>
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        <ContributionsAmt>10000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1043053</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>8310415</EndYearBalanceAmt>
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        <ContributionsAmt>10000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>680058</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>66000</OtherExpendituresAmt>
        <EndYearBalanceAmt>7338362</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
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      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
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        <BookValueAmt>37531</BookValueAmt>
      </LandGrp>
      <BuildingsGrp />
      <LeaseholdImprovementsGrp />
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        <BookValueAmt>26026</BookValueAmt>
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        <DepreciationAmt>19800</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>63557</TotalBookValueLandBuildingsAmt>
      <FederalIncomeTaxLiabilityAmt>0</FederalIncomeTaxLiabilityAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
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      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>142030</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5686568</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>1836325</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>1836325</RevenueNotReportedAmt>
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      <InvestmentExpensesNotIncldAmt>117333</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>117333</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3967576</TotalRevenuePerForm990Amt>
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      <ExpensesSubtotalAmt>3063553</ExpensesSubtotalAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The endowment fund earnings are used for education related to spinal cord and brain injuries, Mission Connect research, and Moran Camp Xtreme.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>TIRR is exempt from federal income taxes under Internal Revenue Code Section 501(c)(3), except on net income derived from unrelated business activities as defined by the Internal Revenue Code. Accordingly, TIRR files as a tax-exempt organization. TIRR believes that all significant tax positions utilized by TIRR will more likely than not be sustained upon examination. Tax penalties and interest, if any, would be accrued as incurred and would be classified as tax expense in the statement of activities.</ExplanationTxt>
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        <GrossRevenueEvent1Amt>80185</GrossRevenueEvent1Amt>
        <RentFacilityCostsEvent1Amt>32431</RentFacilityCostsEvent1Amt>
        <EntertainmentEvent1Amt>5500</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>2956</OtherDirectExpensesEvent1Amt>
        <Event2Nm>Tee it UP</Event2Nm>
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        <CharitableContriEvent2Amt>21522</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>103776</GrossRevenueEvent2Amt>
        <RentFacilityCostsEvent2Amt>29205</RentFacilityCostsEvent2Amt>
        <OtherDirectExpensesEvent2Amt>2903</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>0</OtherEventsTotalCnt>
        <GrossReceiptsTotalAmt>221671</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>37710</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>183961</GrossRevenueTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>61636</RentFcltyCostsTotalEventsAmt>
        <EntertainmentTotalEventsAmt>5500</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>5859</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>72995</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>110966</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Rice University</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 1892-MS 16</AddressLine1Txt>
          <CityNm>houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77251</ZIPCd>
        </USAddress>
        <RecipientEIN>741109620</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>Research</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Texas A&amp;M University</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>400 Harvey Mitchell Pkwy South Ste</AddressLine1Txt>
          <CityNm>college station</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77845</ZIPCd>
        </USAddress>
        <RecipientEIN>741238434</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>199383</CashGrantAmt>
        <PurposeOfGrantTxt>Research</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UT Health</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 301418</AddressLine1Txt>
          <CityNm>Dallas</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75390</ZIPCd>
        </USAddress>
        <RecipientEIN>741761309</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
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        <PurposeOfGrantTxt>Research</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Baylor College of Medicine</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 301207</AddressLine1Txt>
          <CityNm>Dallas</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
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        </USAddress>
        <RecipientEIN>741613878</RecipientEIN>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Methodist Hospital Research Institute</BusinessNameLine1Txt>
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          <CityNm>Houston</CityNm>
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        </USAddress>
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        <PurposeOfGrantTxt>Research</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>University of Houston</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 988</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77001</ZIPCd>
        </USAddress>
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        <PurposeOfGrantTxt>Research</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>6</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part 1, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>A contract is signed indicating the funding agreement amount and the terms of the grant. In each contract the following is requested: A brief plan and milestones to be achieved during the funding must be sent prior to receiving the grant, a progress report will be reviewed by internal/external committees at six month intervals and at the end of each calendar year before any additional grant payments are made and the grantee must agree to participate in regular meetings to discuss their research and progress.</ExplanationTxt>
      </SupplementalInformationDetail>
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      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Cynthia J Adkins</PersonNm>
        <TitleTxt>Executive Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>211763</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>7500</BonusFilingOrganizationAmount>
        <TotalCompensationFilingOrgAmt>219263</TotalCompensationFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is reviewed by the Executive Director and Controller along with the Board Investment Chair/Treasurer. Form 990 is distributed to all Directors prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>It is the policy of TIRR Foundation that each Director report annually to the Executive Director all potential conflicts of interest that might arise. During the year, as a Director performs their fiduciary responsibilities, it is the policy of the Foundation for the Director to recuse themselves from any action that results in a potential conflict of interest.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Compensation Committee reviews and approves compensation during the annual budgeting process. Compensation is determined by a review of annual compensation surveys and employee performance by an independent person on the Compensation Committee.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Available upon request.</ExplanationTxt>
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  </ReturnData>
</Return>