| 2023 | Educational Testing Service | 990 | Trustee | 2 | $119,362 | $0 | View return |
| 2023 | Russell Sage Foundation | 990PF | Treasurer | 0.6 | $14,900 | $0 | View return |
| 2023 | Union Baptist Association | 990 | Alc Member | - | $0 | $0 | View return |
| 2023 | Oroville Southside Community Improvement Association Inc. | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2023 | American Academy of Arts and Sciences | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Clarkson University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Forum for the Future of Higher Education | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Educational Testing Service | 990 | Trustee | 2 | $164,500 | $0 | View return |
| 2022 | Union Baptist Association | 990 | Alc Member | - | $0 | $0 | View return |
| 2022 | Northern Neck Vegetable Growers Association Inc | 990EZ | Director | 0.25 | $0 | - | View return |
| 2022 | Clarkson University | 990 | Trustee | 10 | $0 | $0 | View return |
| 2022 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Oroville Southside Community Improvement Association Inc. | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2022 | American Academy of Arts and Sciences | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Forum for the Future of Higher Education | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Educational Testing Service | 990 | Trustee | 2 | $141,667 | $0 | View return |
| 2021 | Northern Neck Vegetable Growers Association Inc | 990EZ | Director | 0.25 | $0 | - | View return |
| 2021 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Clarkson University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Oroville Southside Community Improvement Association Inc. | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2020 | Educational Testing Service | 990 | Trustee | 2 | $49,500 | $0 | View return |
| 2020 | Northern Neck Vegetable Growers Association Inc | 990EZ | Director | 0.25 | $0 | - | View return |
| 2020 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Clarkson University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Educational Testing Service | 990 | Trustee | 2 | $90,083 | $0 | View return |
| 2019 | Interstate Council on Water Policy | 990EZ | Board Member | 2 | $0 | - | View return |
| 2019 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 0.2 | $0 | $0 | View return |
| 2019 | Northern Neck Vegetable Growers Association Inc | 990EZ | Director | 0.25 | $0 | - | View return |
| 2019 | Clarkson University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Andrew W Mellon Foundation | 990PF | President (Through 3/16) | 40 | $613,839 | $33,269 | View return |
| 2018 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 0.23 | $0 | $0 | View return |
| 2018 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Interstate Council on Water Policy | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2018 | The Foundation Center | 990 | Trustee (Thru 08/2018) | 1 | $0 | $0 | View return |
| 2018 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Andrew W Mellon Foundation | 990PF | President | 40 | $801,635 | $91,684 | View return |
| 2017 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Foundation Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 0.12 | $0 | $0 | View return |
| 2017 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Andrew W Mellon Foundation | 990PF | President | 40 | $785,911 | $85,972 | View return |
| 2016 | The Foundation Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 0.12 | $0 | $0 | View return |
| 2016 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Foundation Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 1 | $0 | $0 | View return |
| 2015 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 0.25 | $0 | $0 | View return |
| 2014 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Florida Independent Automobile Dealers Association Inc | 990 | Past Preside | 1 | $0 | $0 | View return |
| 2013 | The New Hampton School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Clarkson University | 990 | Trustee | 1 | $0 | $0 | View return |