| 2024 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2024 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2024 | Help Us Grow Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2024 | Aspire Artisan Studios and Folk School | 990EZ | Director | 0 | $0 | - | View return |
| 2024 | Friends of Nas Ottumwa Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2024 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2024 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2023 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2023 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | - | $0 | $0 | View return |
| 2023 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2023 | Aspire Artisan Studios and Folk School | 990EZ | Board Member | 0 | $0 | - | View return |
| 2023 | Help Us Grow Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2023 | City Clerks Association of California | 990 | Secretary | 5 | $0 | $0 | View return |
| 2023 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2023 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2022 | Help Us Grow Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | - | $0 | $0 | View return |
| 2022 | Aspire Artisan Studios and Folk School | 990EZ | Board Member | 0 | $0 | - | View return |
| 2022 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2022 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2022 | City Clerks Association of California | 990 | Secretary | 5 | $0 | $0 | View return |
| 2022 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2022 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2021 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | Aspire Artisan Studios and Folk School | 990EZ | Board Member | 0 | $0 | - | View return |
| 2021 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | 0 | $0 | $0 | View return |
| 2021 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2021 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2021 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2020 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2020 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | - | $0 | $0 | View return |
| 2020 | Aspire Artisan Studios and Folk School | 990EZ | Board Member | 0 | $0 | - | View return |
| 2019 | Debra and Leon Black Family Foundation | 990PF | VP/Director/Treasurer/Secretary | 0.5 | $0 | $0 | View return |
| 2019 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | - | $0 | $0 | View return |
| 2019 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2019 | Leon D Black Foundation | 990PF | Director, Vice President And Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2019 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Assistance League of Covina Valley | 990 | Recording Se | 4 | $0 | $0 | View return |
| 2018 | Friends of Nas Ottumwa Inc. | 990 | Secretary/ T | - | $0 | $0 | View return |
| 2018 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2018 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2018 | Assistance League of Covina Valley | 990 | Recording Se | 4 | $0 | $0 | View return |
| 2017 | National Association of Letter Carriers | 990 | Editor | 1 | $945 | $0 | View return |
| 2017 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 0.5 | $0 | $0 | View return |
| 2017 | Elizabeth Ballard Community Center Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2017 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2017 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0.5 | $0 | $0 | View return |
| 2017 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2017 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | National Association of Letter Carriers | 990 | Editor | 1 | $470 | $0 | View return |
| 2016 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2016 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 0.5 | $0 | $0 | View return |
| 2016 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0.5 | $0 | $0 | View return |
| 2016 | Elizabeth Ballard Community Center Inc. | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2016 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2015 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0.5 | $0 | $0 | View return |
| 2015 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2015 | Elizabeth Ballard Community Center Inc. | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2015 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 0.5 | $0 | $0 | View return |
| 2015 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Metropolitan Museum of Art | 990 | Elective Trustee From 11/2015 | 1 | $0 | $0 | View return |
| 2014 | National Association of Letter Carriers | 990 | Editor | 2 | $896 | $0 | View return |
| 2014 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0.5 | $0 | $0 | View return |
| 2014 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 0.5 | $0 | $0 | View return |
| 2014 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 10 | $0 | $0 | View return |
| 2014 | Elizabeth Ballard Community Center Inc. | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2014 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Elizabeth Ballard Community Center Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 0.5 | $0 | $0 | View return |
| 2013 | Melanoma Research Alliance Foundation | 990 | Chair/Co-Founder | 20 | $0 | $0 | View return |
| 2013 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0.5 | $0 | $0 | View return |
| 2013 | The Rockefeller University | 990 | Trustee | 0 | $0 | $0 | View return |
| 2012 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 4 | $0 | $0 | View return |
| 2012 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0 | $0 | $0 | View return |
| 2011 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 4 | $0 | $0 | View return |
| 2011 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0 | $0 | $0 | View return |
| 2010 | Leon D Black Foundation | 990PF | Director And Assistant Tre | 0 | $0 | $0 | View return |
| 2010 | Debra and Leon Black Family Foundation | 990PF | Vice President/Secretary | 4 | $0 | $0 | View return |