| 2024 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Manomet Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Clf Ventures Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Conservation Law Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Clf Ventures Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Massachusetts Audubon Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Lincoln Land Conservation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Rural Land Foundation of Lincoln | 990 | Trustee | 1 | $0 | $0 | View return |