| 2024 | The Conservation Fund a Nonprofit Corporation | 990 | Director (Until 9/19/24) | 2 | $0 | $0 | View return |
| 2023 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Stroud Water Research Center Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | Stroud Water Research Center Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2021 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Stroud Water Research Center Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Zip Code Wilmington Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2020 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2020 | Stroud Water Research Center Inc. | 990 | Co-Chairman | 5 | $0 | $0 | View return |
| 2020 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Zip Code Wilmington Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2019 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Stroud Water Research Center Inc. | 990 | Co-Chairman | 5 | $0 | $0 | View return |
| 2019 | Zip Code Wilmington Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Stroud Water Research Center Inc. | 990 | Co-Chairman | 5 | $0 | $0 | View return |
| 2018 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Zip Code Wilmington Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2017 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Zip Code Wilmington Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2016 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2016 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2016 | Stroud Water Research Center Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Zip Code Wilmington Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2015 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2015 | Stroud Water Research Center Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2013 | The Conservation Fund a Nonprofit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2013 | Delaware Wild Lands Inc. 350 | 990 | Treasurer | 5 | $0 | $0 | View return |