| 2023 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Environmental League of Massachusetts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Environmental League of Massachusetts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Ceres Inc. | 990 | Director (Until Oct. 2023) | 5 | $0 | $0 | View return |
| 2021 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Member (Until 10/2021) | 1 | $0 | $0 | View return |
| 2021 | Environmental League of Massachusetts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2020 | Environmental League of Massachusetts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2018 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2018 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Kingsley Montessori School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Jane Goodall Institute for Wildlife Research Education and Conservation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Environmental League of Massachusetts Action Fund Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Environmental League of Massachusetts Action Fund Inc | 990EZ | Director | 2 | $0 | - | View return |
| 2013 | Environmental League of Massachusetts Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2013 | The Woods Hole Research Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Ceres Inc. | 990 | Director | 5 | $0 | $0 | View return |