| 2024 | Knickerbocker Club Inc | 990 | Board Of Governor | 3 | $0 | $0 | View return |
| 2024 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2024 | Upper West Side Cinema Center Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Seaside Museum & Historical Society | 990EZ | Treasurer | 5 | $0 | $0 | View return |
| 2024 | Upper West Side Cinema Center Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2023 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2023 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Oak Lawn Cemetery Association | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2023 | Alaska Council of School | 990 | Aassp Region 2 | 5 | $0 | $0 | View return |
| 2023 | Regional Plan Association Inc. | 990 | Council | 3 | $0 | $0 | View return |
| 2022 | Oak Lawn Cemetery Association | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2022 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Regional Plan Association Inc. | 990 | Council | 3 | $0 | $0 | View return |
| 2022 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2022 | Alaska Council of School | 990 | Aassp Region 2 | 5 | $0 | $0 | View return |
| 2021 | Oak Lawn Cemetery Association | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2021 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2021 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2020 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | - | View return |
| 2020 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Oak Lawn Cemetery Association | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2020 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2019 | Power Ten New York Inc. | 990EZ | Director | 5 | $0 | - | View return |
| 2019 | Oak Lawn Cemetery Association | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2019 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2018 | Oak Lawn Cemetery Association | 990 | Chairman | 1 | $500 | $0 | View return |
| 2018 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2017 | Oak Lawn Cemetery Association | 990 | Chairman | 1 | $1,100 | $0 | View return |
| 2017 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Regional Plan Association Inc. | 990 | Counsel | 3 | $0 | $0 | View return |
| 2016 | Oak Lawn Cemetery Association | 990 | Chairman | 1 | $500 | $0 | View return |
| 2016 | Row New York Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2016 | Row New York Inc. | 990 | Board Chair | 2 | $0 | $0 | View return |
| 2016 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Oak Lawn Cemetery Association | 990 | Chairman | 1 | $0 | $800 | View return |
| 2015 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Row New York Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2015 | Equi Star Inc | 990EZ | Vice President And Acting President | 5 | $0 | - | View return |
| 2015 | Citizens for Animal Protection Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2014 | Oak Lawn Cemetery Association | 990 | Chairman | 1 | $1,400 | $0 | View return |
| 2014 | Row New York Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Equi Star Inc | 990EZ | Vice President | 2 | $0 | - | View return |
| 2014 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Community Housing Services | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Row New York Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | Children Unlimited Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Equi Star Inc | 990EZ | Vice President | 2 | $0 | - | View return |
| 2013 | David Huntington Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Princeton in Africa Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Community Housing Services | 990 | Board Member | 1 | $0 | $0 | View return |