| 2024 | The Manor Conservancy Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | The Manor Conservancy Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Notre Dame of Maryland University Inc | 990 | Ex-Officio | 5 | $0 | $0 | View return |
| 2022 | The Manor Conservancy Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Notre Dame of Maryland University Inc | 990 | Ex-Officio | 5 | $0 | $0 | View return |
| 2021 | The Manor Conservancy Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2020 | The Manor Conservancy Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | The Manor Conservancy Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Maryland Historical Society Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | The Manor Conservancy Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | Maryland Historical Society Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2017 | The Manor Conservancy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Maryland Historical Society Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Notre Dame of Maryland University Inc | 990 | Ex Officio | 5 | $0 | $0 | View return |
| 2016 | The Manor Conservancy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Maryland Historical Society Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | Notre Dame of Maryland University Inc | 990 | Ex Officio | 5 | $0 | $0 | View return |
| 2015 | The Manor Conservancy Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2015 | Notre Dame of Maryland University Inc | 990 | Ex Officio | 5 | $0 | $0 | View return |
| 2015 | Maryland Historical Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | The Manor Conservancy Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2014 | Independent Union of Amalgamated Workers Local 711 | 990EZ | Trustee | 1 | $0 | - | View return |
| 2014 | Maryland Historical Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Notre Dame of Maryland University Inc | 990 | Ex Officio | 5 | $0 | $0 | View return |
| 2013 | The Manor Conservancy Inc. | 990EZ | Chairman | 1 | $0 | $0 | View return |
| 2013 | Independent Union of Amalgamated Workers Local 711 | 990EZ | Trustee | 1 | $0 | - | View return |
| 2013 | Notre Dame of Maryland University Inc | 990 | Ex Officio | 5 | $0 | $0 | View return |
| 2013 | Maryland Historical Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |