| 2024 | American Prairie Foundation DBA American Prairie Reserve | 990 | Director (Thru 09/24) | 1 | $0 | $0 | View return |
| 2024 | Nuclear Threat Initiative Inc. | 990 | Member Of The Board Of Directors | 4 | $0 | $0 | View return |
| 2024 | The Nature Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Rensselaer Hartford Graduate Center Inc | 990 | Former President | 0 | $0 | $2,425,559 | View return |
| 2023 | American Prairie Foundation DBA American Prairie Reserve | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Nuclear Threat Initiative Inc. | 990 | Member Of The Board Of Directors | 4 | $0 | $0 | View return |
| 2023 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | American Prairie Foundation DBA American Prairie Reserve | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Nuclear Threat Initiative Inc. | 990 | Member Of The Board Of Directors | 4 | $0 | $0 | View return |
| 2022 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Troy Redevelopment Foundation Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Rensselaer Polytechnic Institute | 990 | President | 55 | $4,197,754 | $0 | View return |
| 2020 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $4,197,754 | View return |
| 2020 | Troy Redevelopment Foundation Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,847,271 | $0 | View return |
| 2019 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $1,847,271 | View return |
| 2019 | The Nature Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,536,344 | $0 | View return |
| 2018 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $1,536,344 | View return |
| 2017 | Rensselaer Polytechnic Institute | 990 | President | 55 | $5,120,954 | $0 | View return |
| 2017 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $5,120,954 | View return |
| 2017 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $5,120,954 | View return |
| 2017 | Council on Foreign Relations Inc. | 990 | Director (Thru 6/30/2018) | 1 | $0 | $0 | View return |
| 2016 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,416,982 | $0 | View return |
| 2016 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,416,982 | $0 | View return |
| 2016 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $1,416,982 | View return |
| 2016 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,392,864 | $0 | View return |
| 2015 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,392,864 | $0 | View return |
| 2015 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Brookings Institution | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,298,549 | $0 | View return |
| 2014 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $1,298,549 | View return |
| 2014 | Delta Service Through Detroit Foundation Inc. | 990 | Vice Preside | 3 | $0 | $0 | View return |
| 2014 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Rensselaer Polytechnic Institute | 990 | President | 55 | $1,272,087 | $0 | View return |
| 2013 | Rensselaer Hartford Graduate Center Inc | 990 | President | 2 | $0 | $1,272,087 | View return |
| 2013 | The Hyde Collection Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | - | View return |