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        <TitleTxt>President &amp; CEO</TitleTxt>
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        <FormAndLineReferenceDesc>Part II, Compensation from Unrelated Organizations</FormAndLineReferenceDesc>
        <ExplanationTxt>In 2019, Leonardo/ISAST began a partnership with Arizona State University, the ASU-Leonardo Initiative. Leonardo/ISASTs CEO, Diana Ayton-Shenker, is also Executive Director of the ASU-Leonardo Initiative. Her salary is paid by ASU, where she is on faculty.</ExplanationTxt>
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        <PersonNm>Roger Malina</PersonNm>
        <RelationshipWithOrgTxt>Former Dir.</RelationshipWithOrgTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule L, Part V Supplemental Information</FormAndLineReferenceDesc>
        <ExplanationTxt>Between 20052008, Leonardo received a series of loans from Roger Malina to support organizational operations. The outstanding balance as of December 31, 2024, is $82,000.Each year, a portion of the loan is forgiven by Mr. Malina, and the organization anticipates that this annual loan forgiveness will continue moving forward.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The draft Form 990 is circulated to the full board for review and comment. The executive committee provides final approval, typically via email.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Written disclosure is required at the time of election/appointment and updated as necessary. When a potential conflict arises, the interested person must disclose it to the Board/committee, recuse themselves from discussion and voting, and leave the meeting during deliberation. Signed acknowledgments of the policy are collected and maintained by the organization.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation for the CEO/Executive Director is reviewed and determined by independent persons (previously through ASU, now under the Boards Executive Committee). For other officers and key employees, Leonardo reviews external comparability data when setting compensation for new hires and for adjustments. Raises and compensation decisions are reviewed and approved by the Executive Committee of the Board of Directors, and the process is documented contemporaneously (typically via meeting notes or email approval).</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents, policies and financial statements are available for review at the office.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>