| 2024 | Chamber of Commerce of the USA | 990 | Chair/Director | 1 | $0 | $0 | View return |
| 2024 | Holton-Arms School Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2023 | Chamber of Commerce of the USA | 990 | Chair/Director | 1 | $0 | $0 | View return |
| 2023 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |
| 2023 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2022 | Chamber of Commerce of the USA | 990 | Chair/Director | 1 | $0 | $0 | View return |
| 2022 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |
| 2022 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Chamber of Commerce of the USA | 990 | Vice Chair/Director | 1 | $0 | $0 | View return |
| 2021 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |
| 2020 | Chamber of Commerce of the USA | 990 | Vice Chair/Director | 1 | $0 | $0 | View return |
| 2020 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |
| 2020 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Chamber of Commerce of the USA | 990 | Reg Vice Chair East/Director | 1 | $0 | $0 | View return |
| 2019 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Chesapeake Bay Foundation Inc. | 990 | Trustee (Through 03/20) | 4 | $0 | $0 | View return |
| 2019 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |
| 2018 | Chamber of Commerce of the USA | 990 | Reg Vice Chair East/Director | 1 | $0 | $0 | View return |
| 2018 | Holton-Arms School Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2018 | Vassar College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Chesapeake Bay Foundation Inc. | 990 | Trustee | 4 | $0 | $0 | View return |
| 2017 | Chamber of Commerce of the USA | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Chesapeake Bay Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Chamber of Commerce of the USA | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Chesapeake Bay Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Chamber of Commerce of the USA | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Chesapeake Bay Foundation Inc. | 990 | Trustee (Beginning 01/16) | 1 | $0 | $0 | View return |
| 2015 | Seed Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Chamber of Commerce of the USA | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Seed Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | The Economic Club of Washington DC | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Vassar College | 990 | Trustee And Committee Chair | 4 | $0 | $0 | View return |