| 2024 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2024 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2023 | The Literary Classics of the Us Inc D/B/A Library of America | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2023 | Wildlife Conservation Society | 990 | Trustee Until 10/24/2023 | 1 | $0 | $0 | View return |
| 2023 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2022 | Wildlife Conservation Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2022 | The Literary Classics of the Us Inc D/B/A Library of America | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2021 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2021 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2021 | Wildlife Conservation Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Robert & Jane Meyerhoff Modern Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2020 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2020 | Wildlife Conservation Society | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | The Robert & Jane Meyerhoff Modern Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2019 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2019 | Wildlife Conservation Society | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | The Robert & Jane Meyerhoff Modern Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Sperry Fund | 990PF | President & Director | 2 | $0 | $0 | View return |
| 2018 | Prospect Hill Foundation Inc | 990PF | Vice President & Director | 2 | $0 | $0 | View return |
| 2018 | National Gallery of Art | 990 | Trustee (Through 9/27/19) | 1 | $0 | $0 | View return |
| 2018 | Wildlife Conservation Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | The Robert & Jane Meyerhoff Modern Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Wildlife Conservation Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | National Gallery of Art | 990 | President Of The Board | 1 | $0 | $0 | View return |
| 2017 | Wildlife Conservation Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2016 | Wildlife Conservation Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2016 | National Gallery of Art | 990 | President Of The Board | 1 | $0 | $0 | View return |
| 2015 | Wildlife Conservation Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2015 | National Gallery of Art | 990 | President Of The Board | 1 | $0 | $0 | View return |
| 2014 | National Gallery of Art | 990 | President Of The Board | 1 | $0 | $0 | View return |
| 2014 | Wildlife Conservation Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Sterling and Francine Clark Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | National Gallery of Art | 990 | President Of The Board | 1 | $0 | $0 | View return |
| 2013 | Wildlife Conservation Society | 990 | Trustee | 1 | - | - | View return |
| 2013 | Sterling and Francine Clark Art | 990 | Trustee | 1 | $0 | $0 | View return |