| 2025 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Everglades Trust Inc | 990 | Chair/Pres/Treasurer | 4 | $0 | $0 | View return |
| 2021 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Everglades Trust Inc | 990 | Chair/Pres/Treasurer | 4 | $0 | $0 | View return |
| 2020 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | National Parks Conservation Association | 990 | Trustee (Until 10/2020) | 1 | $0 | $0 | View return |
| 2019 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Everglades Trust Inc | 990 | Chairman/Treasurer | 4 | $0 | $0 | View return |
| 2019 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | National Parks Conservation Association | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Community Foundation of the Florida Keys Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Everglades Trust Inc | 990 | Chairman/Treasurer | 4 | $0 | $0 | View return |
| 2018 | National Coalition for Marine Conservation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | National Parks Conservation Association | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2017 | National Coalition for Marine Conservation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Clean Water Action | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Florida Keys History and Discovery Foundation Inc | 990 | Director | 15 | $0 | $0 | View return |
| 2017 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Everglades Trust Inc | 990 | Chairman/Treasurer | 4 | $0 | $0 | View return |
| 2017 | National Parks Conservation Association | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2017 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Zoological Society of Florida Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Everglades Trust Inc | 990 | Chairman/Treasurer | 4 | $0 | $0 | View return |
| 2016 | National Coalition for Marine Conservation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Clean Water Action | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | National Parks Conservation Association | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2016 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Clean Water Action | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | National Coalition for Marine Conservation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Florida Keys History and Discovery Foundation Inc | 990 | Director | 15 | $0 | $0 | View return |
| 2015 | The Everglades Trust Inc | 990 | President/Treasurer | 4 | $0 | $0 | View return |
| 2015 | National Parks Conservation Association | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | National Parks Conservation Association | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Clean Water Action | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Florida Keys History and Discovery Foundation Inc | 990 | Director | 15 | $0 | $0 | View return |
| 2014 | National Coalition for Marine Conservation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Everglades Trust Inc | 990 | President/Treasurer | 2 | $0 | $0 | View return |
| 2014 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | The Everglades Trust Inc | 990 | President/Treasurer | 2 | $0 | $0 | View return |
| 2013 | The Everglades Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | National Parks Conservation Association | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | National Parks Conservation Association | 990 | Trustee | 1 | $0 | $0 | View return |