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        <PersonNm>HELEN FELTOVICH MD MS</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DOLORES BENEDICTA NJOKU MD</PersonNm>
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        <PersonNm>JONATHAN R DILLMAN MD MSC</PersonNm>
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        <PersonNm>TODD BREACH</PersonNm>
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        <PersonNm>MICHELLE HOPE</PersonNm>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CHIEF OUTSIDERS</BusinessNameLine1Txt>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WALT DISNEY WORLD</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>PO BOX 10000</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>REDZONE TECHNOLOGIES</BusinessNameLine1Txt>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MARKETING GENERAL</BusinessNameLine1Txt>
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          <USAddress>
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            <StateAbbreviationCd>VA</StateAbbreviationCd>
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        <ProgramServicesAmt>145492</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>17539</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>34785</ManagementAndGeneralAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>77956</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>533530</ProgramServicesAmt>
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        <ProgramServicesAmt>147360</ProgramServicesAmt>
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        <ProgramServicesAmt>388444</ProgramServicesAmt>
        <ManagementAndGeneralAmt>40021</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>548389</ProgramServicesAmt>
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        <ProgramServicesAmt>61686</ProgramServicesAmt>
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        <ProgramServicesAmt>149575</ProgramServicesAmt>
        <ManagementAndGeneralAmt>74152</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>737719</ProgramServicesAmt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AIUM SHALL CONSIST OF THE FOLLOWING TYPES OF MEMBERS WHO REFLECT ITS EDUCATIONAL, LITERARY AND SCIENTIFIC GOALS: (A) GENERAL MEMBER (B) SENIOR MEMBER (C) FELLOW (D) HONORARY FELLOW</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL LEGISLATIVE POWERS OF THE AIUM, INCLUDING THE POWER TO ALTER, AMEND OR REPEAL THE CONSTITUTION AND BYLAWS IS VESTED IN AND RESIDES IN THE FELLOWS AND MEMBERS VOTING AT ANY ANNUAL OR SPECIAL MEETING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT OF FORM 990 WAS PROVIDED TO MEMBERS OF FINANCE COMMITTEE WHO REVIEWED AND DISCUSSED THE DRAFT AT A MEETING BEFORE THE RETURN WAS FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CEO'S COMPENSATION IS DETERMINED BY THE AIUM PRESIDENT, PRESIDENT-ELECT, AND TREASURER. BASE COMPENSATION IS SET FORTH IN THE CEO CONTRACT WITH FIXED % ANNUAL INCREASES. A STUDY OF COMPARABLE COMPENSATION DATA IS DONE AT THE TIME OF ANY REVISIONS TO THE CONTRACTUAL BASE COMPENSATION. INCENTIVE COMPENSATION IS DETERMINED ANNUALLY BY THE AIUM PRESIDENT, PRESIDENT-ELECT, AND TREASURER.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO MEMBERS UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>PROFESSIONAL AND CONSULTING FEES: PROGRAM SERVICE EXPENSES 527,680. MANAGEMENT AND GENERAL EXPENSES 303,242. FUNDRAISING EXPENSES 19,000. TOTAL EXPENSES 849,922. TEMPORARY HELP: PROGRAM SERVICE EXPENSES 5,850. MANAGEMENT AND GENERAL EXPENSES 64,814. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 70,664.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS DID NOT CHANGE FROM THE LAST YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>