| 2025 | The Garden Conservancy Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Nantucket Sustainable Development Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Nantucket Land and Water Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Garden Conservancy Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The Garden Conservancy Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Nantucket Land and Water Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Nantucket Land and Water Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Nantucket Preservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | The Garden Conservancy Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Nantucket Land and Water Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Nantucket Preservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nantucket Preservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nantucket Sustainable Development Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nantucket Land and Water Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Nantucket Sustainable Development Corporation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Nantucket Sustainable Development Corporation | 990 | Director | - | $0 | $0 | View return |
| 2018 | Center for Plant Conservation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Nantucket Sustainable Development Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Center for Plant Conservation Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2016 | Center for Plant Conservation Inc. | 990 | Trustee | 2.5 | $0 | $0 | View return |
| 2016 | Nantucket Garden Club Inc. | 990EZ | Corresponding Secretary | 1 | $0 | $0 | View return |
| 2016 | Nantucket Sustainable Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The American Kennel Club Museum of the Dog | 990 | Director (Resigned) | 0.1 | $0 | $0 | View return |
| 2015 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Nantucket Sustainable Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | The American Kennel Club Museum of the Dog | 990 | Director | 0.1 | $0 | $0 | View return |
| 2014 | Nantucket Sustainable Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Missouri Botanical Garden Board of Trustees | 990 | Term Trustee | 0 | $0 | $0 | View return |
| 2014 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | The American Kennel Club Museum of the Dog | 990 | Director | 0.2 | $0 | $0 | View return |
| 2013 | Nantucket Preservation Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | St. Louis Mercantile Library Association | 990EZ | Director | 1 | $0 | $0 | View return |
| 2013 | Nantucket Sustainable Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Missouri Botanical Garden Board of Trustees | 990 | Term Trustee | 0 | $0 | $0 | View return |
| 2013 | The American Kennel Club Museum of the Dog | 990 | Director | 0.5 | $0 | $0 | View return |