| 2024 | Delaware Military Heritage and Education Foundation Inc | 990EZ | Board Member | 1 | $0 | - | View return |
| 2024 | Preservation Delaware Inc. | 990PF | Director | 4 | $0 | $0 | View return |
| 2023 | Preservation Delaware Inc. | 990PF | Director | 4 | $0 | $0 | View return |
| 2023 | Delaware Military Heritage and Education Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Dennis Farm Charitable Land Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2022 | Dennis Farm Charitable Land Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Dennis Farm Charitable Land Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Preservation Delaware Inc. | 990PF | Director | 4 | $0 | $0 | View return |
| 2020 | Preservation Delaware Inc. | 990PF | Director | 4 | $0 | $0 | View return |
| 2020 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | Dennis Farm Charitable Land Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | American Cultural Resources Assoc | 990 | VP / Members | - | $0 | $0 | View return |
| 2018 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Preservation Delaware Inc. | 990PF | Secretary | 10 | $0 | $0 | View return |
| 2017 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Dennis Farm Charitable Land Trust | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | American Cultural Resources Assoc | 990 | VP / Members | - | $0 | $0 | View return |
| 2017 | Preservation Delaware Inc. | 990 | Trustee | 4 | $0 | $0 | View return |
| 2016 | Dennis Farm Charitable Land Trust | 990 | Trustee | 2 | $500 | $0 | View return |
| 2016 | American Cultural Resources Assoc | 990 | VP / Members | - | $0 | $0 | View return |
| 2016 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Dennis Farm Charitable Land Trust | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | American Cultural Resources Assoc | 990 | VP / Members | 1 | $0 | $0 | View return |
| 2014 | American Cultural Resources Assoc | 990 | President | 4 | $0 | $0 | View return |
| 2014 | Delaware Military Heritage and Education Foundation Inc | 990 | Member | 1 | - | - | View return |
| 2014 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Dennis Farm Charitable Land Trust | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | American Cultural Resources Assoc | 990 | President | 4 | $0 | $0 | View return |
| 2013 | American Cultural Resources Assoc | 990 | President | 4 | $0 | $0 | View return |
| 2013 | Delaware Military Heritage and Education Foundation Inc | 990 | Member | 2.5 | $0 | $0 | View return |
| 2013 | Holy Trinity (Old Swedes) Church Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |