| 2024 | Hamilton Family Charitable Trust | 990PF | Board Chair, Trustee | 3 | $313,156 | $0 | View return |
| 2024 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Hamilton Family Foundation | 990PF | Board Chair | 2 | $0 | $0 | View return |
| 2024 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Windward Choral Society | 990EZ | Artistic Director | 20 | $0 | - | View return |
| 2024 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Hamilton Family Charitable Trust | 990PF | Board Chair, Trustee | 3 | $243,592 | $0 | View return |
| 2023 | Windward Choral Society | 990EZ | Artistic Director | 20 | $11,549 | - | View return |
| 2023 | Windward Choral Society | 990EZ | Artistic Director | 20 | $0 | - | View return |
| 2023 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Hamilton Family Foundation | 990PF | Board Chair | 2 | $0 | $0 | View return |
| 2023 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | National Horse Show Association of America Ltd. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2023 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Hamilton Family Charitable Trust | 990PF | Co-Vice Chair | 3 | $222,191 | $0 | View return |
| 2022 | Windward Choral Society | 990EZ | Artistic Director | 20 | $20,700 | - | View return |
| 2022 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Hamilton Family Foundation | 990PF | Co-Vice-Chair | 2 | $0 | $0 | View return |
| 2022 | National Horse Show Association of America Ltd. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2022 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Hamilton Family Charitable Trust | 990PF | Co-Vice Chair | 3 | $118,290 | $0 | View return |
| 2021 | Windward Choral Society | 990EZ | Artistic Director | 20 | $20,700 | - | View return |
| 2021 | Hamilton Family Foundation | 990PF | Co-Vice-Chair | 2 | $0 | $0 | View return |
| 2021 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | National Horse Show Association of America Ltd. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2021 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Hamilton Family Charitable Trust | 990PF | Co-Vice Chair | 3 | $139,949 | $0 | View return |
| 2020 | Windward Choral Society | 990EZ | Artistic Director | 20 | $35,415 | - | View return |
| 2020 | Hamilton Family Foundation | 990PF | Co-Vice-Chair | 2 | $0 | $0 | View return |
| 2020 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | National Horse Show Association of America Ltd. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Hamilton Family Charitable Trust | 990PF | Co-Vice Chair | 3 | $70,428 | $0 | View return |
| 2019 | Windward Choral Society | 990EZ | Artistic Director | 20 | $34,150 | - | View return |
| 2019 | Hamilton Family Foundation | 990PF | Co-Vice-Chairs | 2 | $0 | $0 | View return |
| 2019 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Windward Choral Society | 990EZ | Artistic Director | 20 | $33,638 | - | View return |
| 2018 | Hamilton Family Charitable Trust | 990PF | Trustee & Vice President | 3 | $29,607 | $0 | View return |
| 2018 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Hamilton Family Foundation | 990PF | Vice President | 2 | $0 | $0 | View return |
| 2018 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Brandywine Conservancy & Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Windward Choral Society | 990EZ | Artistic Director | 20 | $27,488 | - | View return |
| 2017 | Hamilton Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2017 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Wilson College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Brandywine Conservancy & Museum of Art | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Windward Choral Society | 990EZ | Artistic Director | 20 | $0 | - | View return |
| 2016 | Hamilton Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | Upland Country Day School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | National Horse Show Association of America Ltd. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | Wilson College | 990 | Trustee (As Of May 2017) | 1 | $0 | $0 | View return |
| 2015 | Windward Choral Society | 990EZ | Artistic Director | 20 | $19,200 | - | View return |
| 2015 | United States Equestrian Team Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Upland Country Day School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Upland Country Day School | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | Community Clothes Charity | 990 | Treasurer | 0 | $0 | $0 | View return |