| 2024 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2024 | The Discovery Museums Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2023 | The Discovery Museums Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2022 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Discovery Museums Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Massachusetts Land Trust Coalition Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2021 | The Discovery Museums Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Massachusetts Land Trust Coalition Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Massachusetts Rivers Alliance Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2020 | Massachusetts Land Trust Coalition Inc | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2019 | John and Dorothy Magee Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2019 | Massachusetts Rivers Alliance Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Sudbury Valley Trustees Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2019 | Massachusetts Land Trust Coalition Inc | 990EZ | Treasurer | 4 | $0 | - | View return |
| 2018 | Sudbury Valley Trustees Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Massachusetts Land Trust Coalition Inc | 990EZ | Treasurer | 5 | $0 | $0 | View return |
| 2018 | Massachusetts Rivers Alliance Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | Massachusetts Rivers Alliance Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Massachusetts Land Trust Coalition Inc | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2016 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Massachusetts Rivers Alliance Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2016 | Massachusetts Land Trust Coalition Inc | 990EZ | Trustee | 5 | $0 | $0 | View return |
| 2015 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Massachusetts Rivers Alliance Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2015 | Massachusetts Land Trust Coalition Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Massachusetts Rivers Alliance Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2014 | Massachusetts Land Trust Coalition Inc | 990EZ | Trustee | 5 | $0 | - | View return |
| 2014 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Massachusetts Rivers Alliance Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Massachusetts Land Trust Coalition Inc | 990EZ | Trustee | 5 | $0 | - | View return |
| 2013 | Sudbury Valley Trustees Inc. | 990 | Director | 1 | $0 | $0 | View return |