| 2024 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2024 | Cahn Fellows Programs Corporation | 990 | Chair | 2 | $0 | $0 | View return |
| 2023 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2023 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Cooper Foundation Inc. | 990 | Trustee (Thru 05/23) | 3 | $0 | $0 | View return |
| 2023 | Cahn Fellows Programs Corporation | 990 | Chair | 2 | $0 | $0 | View return |
| 2023 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2022 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2022 | Cahn Fellows Programs Corporation | 990 | Chair | 2 | $0 | $0 | View return |
| 2022 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2021 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2021 | Cahn Fellows Programs Corporation | 990 | Chair | 2 | $0 | $0 | View return |
| 2021 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2020 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2020 | Cahn Fellows Programs Corporation | 990 | Chair | 2 | $0 | $0 | View return |
| 2020 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | The Lester G Abeloff Foundation | 990PF | President/Treasurer | 10 | $60,000 | $0 | View return |
| 2019 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Lester G Abeloff Foundation | 990PF | Secretary/Treasury | 10 | $45,000 | $0 | View return |
| 2018 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2018 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Lester G Abeloff Foundation | 990PF | Secretary/Treasury | 7 | $60,000 | $0 | View return |
| 2017 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2017 | Sphere Consortium Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | The Lester G Abeloff Foundation | 990PF | Secretary/Treasury | 7 | $55,000 | $0 | View return |
| 2016 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2016 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2015 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2015 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Connecticut Association of Independent Schools Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2014 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2014 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2014 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Connecticut Association of Independent Schools Inc. | 990 | Board Member - Effective 7/1/15 | 0.5 | $0 | $0 | View return |
| 2013 | Sphere Consortium Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2013 | The Cooper Foundation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2013 | Allen-Chase Foundation DBA Eaglebrook School | 990 | Trustee | 2 | $0 | $0 | View return |