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            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>53202</ZIPCd>
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        </ContractorAddress>
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          <BusinessName>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02115</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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          <USAddress>
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            <StateAbbreviationCd>NY</StateAbbreviationCd>
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          </USAddress>
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      <CntrctRcvdGreaterThan100KCnt>6</CntrctRcvdGreaterThan100KCnt>
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      <TotalRevenueGrp>
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        <ProgramServicesAmt>2002352</ProgramServicesAmt>
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        <ProgramServicesAmt>260822</ProgramServicesAmt>
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        <ProgramServicesAmt>343202</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>25775</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>283802</ProgramServicesAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>28464</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>1047603</ProgramServicesAmt>
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      <AdvertisingGrp>
        <TotalAmt>6580</TotalAmt>
        <ManagementAndGeneralAmt>6580</ManagementAndGeneralAmt>
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        <TotalAmt>5837</TotalAmt>
        <ManagementAndGeneralAmt>5837</ManagementAndGeneralAmt>
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        <TotalAmt>157854</TotalAmt>
        <ProgramServicesAmt>28731</ProgramServicesAmt>
        <ManagementAndGeneralAmt>129123</ManagementAndGeneralAmt>
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      <TravelGrp>
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        <ProgramServicesAmt>1497</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1497</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>95048</TotalAmt>
        <ProgramServicesAmt>95048</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>7250</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>33949</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>5466804</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>249997</ProgramServicesAmt>
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        <ProgramServicesAmt>54267</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ManagementAndGeneralAmt>21098</ManagementAndGeneralAmt>
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        <EOYAmt>11191064</EOYAmt>
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      <IntangibleAssetsGrp>
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        <EOYAmt>115209</EOYAmt>
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        <EOYAmt>13376681</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
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      <TotalNetAssetsFundBalanceGrp>
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        <EOYAmt>13391681</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>17073918</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-582872</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
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        <CurrentTaxYearMinus2YearsAmt>3005647</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>205868</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>648500</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>205868</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>648500</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus2YearsAmt>46432</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1422</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>165869</CurrentTaxYearAmt>
        <TotalAmt>400584</TotalAmt>
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        <CurrentTaxYearMinus1YearAmt>29753</CurrentTaxYearMinus1YearAmt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANT SUPPORT REFUNDS - 2018 AMOUNT: $ 46,030. 2019 AMOUNT: $ 4,693. 2020 AMOUNT: $ 48,875. 2021 AMOUNT: $ 29,346. REBATES/COMMISSIONS - 2019 AMOUNT: $ 5,576. 2020 AMOUNT: $ 900. 2021 AMOUNT: $ 407. IRS REFUNDS - 2020 AMOUNT: $ 15,700.</ExplanationTxt>
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        <ContributorUSAddress>
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          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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      </ContributorInformationGrp>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>10561848</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>10561848</TotalRevenuePerForm990Amt>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>11144720</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>11144720</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS EXEMPT FROM INCOME TAX UNDER SECTION 501(C)(3) OF INTERNAL REVENUE CODE AND IS CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION. MANAGEMENT HAS REVIEWED ALL TAX POSITIONS RECOGNIZED IN PREVIOUSLY FILED TAX RETURNS AND THOSE EXPECTED TO BE TAKEN IN FUTURE TAX RETURNS. AS OF DECEMBER 31, 2022, THE ORGANIZATION HAD NO AMOUNTS RELATED TO UNRECOGNIZED INCOME TAX BENEFITS AND NO AMOUNTS RELATED TO ACCRUED INTEREST AND PENALTIES. THE ORGANIZATION DOES NOT ANTICIPATE ANY SIGNIFICANT CHANGES TO UNRECOGNIZED INCOME TAX BENEFITS OVER THE NEXT YEAR.</ExplanationTxt>
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      <GrantsToOrgOutsideUSGrp>
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        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
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      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CARRA HAS A GRANTS REVIEW COMMITTEE THAT OVERSEES THE FUNDING OF GRANTS. GRANT RECIPIENTS MUST GO THROUGH A GRANT REVIEW PROCESS, WHICH INCLUDES A FINAL GRANT REPORT DUE WITHIN 30 DAYS OF THE END OF THE PROJECT PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
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        </RecipientBusinessName>
        <USAddress>
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          <CityNm>DURHAM</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27710</ZIPCd>
        </USAddress>
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      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
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          <CityNm>MINNEAPOLIS</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55455</ZIPCd>
        </USAddress>
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      <RecipientTable>
        <RecipientBusinessName>
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      <RecipientTable>
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        </RecipientBusinessName>
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          <CityNm>BOSTON</CityNm>
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        </USAddress>
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        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
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      <RecipientTable>
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        </USAddress>
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        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
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      <RecipientTable>
        <RecipientBusinessName>
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      <RecipientTable>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>DATA ANALYSIS GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NEMOURS FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>590634433</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>LARGE GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF MICHIGANCS MOTT CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>386006309</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>LARGE GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>COHEN CHILDREN'S MEDICAL CENTER OF NEW YORK-FEINSTEIN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>112673595</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>FELLOWS GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF ALABAMA AT BIRMINGHAM</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>636005396</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>150000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>HEALTH EQUITY GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>INDIANA UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>356001673</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>48399</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>SMALL GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NATIONWIDE CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>316056230</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>49995</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>SMALL GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF PITTSBURGH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>250965591</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>SMALL GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>STONY BROOK CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>274504501</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10180</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>PUBLICATION SUPPORT GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CARRA HAS A GRANTS REVIEW COMMITTEE THAT OVERSEES THE FUNDING OF GRANTS. GRANT RECIPIENTS MUST GO THROUGH A GRANT REVIEW PROCESS, WHICH INCLUDES A FINAL GRANT REPORT DUE WITHIN 30 DAYS OF THE END OF THE PROJECT PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 3 EXPLANATION - CARRA CONTRACTS WITH EXECUTIVE DIRECTOR INC. (A FOR-PROFIT MANAGEMENT COMPANY) TO PROVIDE OFFICE FACILITIES, MANAGEMENT, RECORD KEEPING, ACCOUNTING, STORAGE, OTHER SIGNIFICANT SERVICES, PLUS RELATED OVERHEAD COSTS. THE ORGANIZATION ENDED THE CONTRACTUAL RELATIONSHIP IN MARCH 2022.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 6 EXPLANATION - THE ORGANIZATION HAS MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 11B EXPLANATION - PRIOR TO FILING, FORM 990 WILL BE REVIEWED BY MANAGEMENT AND THEN DISTRIBUTED TO THE FULL BOARD AND FINANCE COMMITTEE FOR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS MONITORED BY THE ETHICS COMMITTEE AND REVIEWED AND SIGNED AT THE BEGINNING OF EACH FISCAL YEAR BY ALL STAFF AND BOARD MEMBERS WITH SIGNIFICANT DECISION MAKING AUTHORITY. IT IS EACH SIGNATOR'S OBLIGATION TO DISCLOSE ANY POTENTIAL CONFLICT AS SOON AS IT IS KNOWN, OR REASONABLY SHOULD BE KNOWN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS SHALL REVIEW ANY COMPENSATION PACKAGES AND SHALL APPROVE SUCH COMPENSATION ONLY AFTER DETERMINING THAT THE COMPENSATION IS REASONABLE. COMPENSATION IS DETERMINED USING INFORMATION ABOUT COMPENSATION PAID BY SIMILARLY SITUATED TAXABLE AND TAX-EXEMPT ORGANIZATIONS FOR SIMILAR SERVICES. SUCH INFORMATION MAY INCLUDE UP-TO-DATE COMPENSATION SURVEYS COMPILED BY INDEPENDENT FIRMS OR ACTUAL WRITTEN OFFERS FROM SIMILARLY SITUATED ORGANIZATIONS. APPROVALS OF ALL COMPENSATION MUST BE DOCUMENTED IN WRITING WITH THE DATES AND TERMS OF THE AGREEMENT, A RECORD OF ALL INDIVIDUALS WHO VOTED IN CONSIDERATION, ALONG WITH ALL INFORMATION AND THE INFORMATION'S SOURCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MOST RECENT FORM 990S (INCLUDING FINANCIAL INFORMATION), THE BYLAWS, ARTICLES OF INCORPORATION, FORM 1023 APPLICATION FOR EXEMPTION, AND CONFLICT OF INTEREST POLICY ARE PROVIDED TO THE PUBLIC UPON REQUEST</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>STEERING COMMITTEE CONTRACTS: PROGRAM SERVICE EXPENSES 368,474. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 368,474. INFORMATIC CONTRACTS: PROGRAM SERVICE EXPENSES 555,468. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 555,468. EXECUTIVE LEADERSHIP RESEARCH: PROGRAM SERVICE EXPENSES 37,979. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 37,979. OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 85,682. MANAGEMENT AND GENERAL EXPENSES 514,100. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 599,782.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
