| 2024 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Pinewood Schools of Thessaloniki Inc C/O Klr | 990 | Trustee (To 11/21) | 0.5 | $0 | $0 | View return |
| 2021 | The Trustees of Anatolia College | 990 | Trustee Through November 2021 | 2 | $0 | $0 | View return |
| 2020 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Pinewood Schools of Thessaloniki Inc C/O Klr | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Trustees of Anatolia College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Soundkeeper Inc C/O Ct Fund for Environment | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Pinewood Schools of Thessaloniki Inc C/O Klr | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Soundkeeper Inc C/O Ct Fund for Environment | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Pinewood Schools of Thessaloniki Inc C/O Klr | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Soundkeeper Inc C/O Ct Fund for Environment | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Ridgefield Library Association Inc. | 990 | Emeritus Director | 5 | $0 | $0 | View return |
| 2016 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Land Conservancy of Ridgefield Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Ridgefield Library Association Inc. | 990 | Emeritus Director | 5 | $0 | $0 | View return |
| 2015 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Wooster School Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Connecticut Fund for the Environment | 990 | Director | 0.5 | $0 | $0 | View return |