| 2024 | Clark-Winchcole Foundation | 990PF | Chairman/President | 4.5 | $60,000 | $0 | View return |
| 2024 | Society of the Friendly Sons of St Patrick | 990 | Historian | 0.25 | $0 | $0 | View return |
| 2023 | Clark-Winchcole Foundation | 990PF | Chairman/President | 4.5 | $60,000 | $0 | View return |
| 2023 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Society of the Friendly Sons of St Patrick | 990 | Historian | 0.25 | $0 | $0 | View return |
| 2022 | Clark-Winchcole Foundation | 990PF | Chairman/President | 4.5 | $60,000 | $0 | View return |
| 2022 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 0.25 | $0 | $0 | View return |
| 2021 | Clark-Winchcole Foundation | 990PF | Chairman/President | 5 | $60,000 | $0 | View return |
| 2021 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Heroes Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 0.25 | $0 | $0 | View return |
| 2020 | Clark-Winchcole Foundation | 990PF | Chairman/President | 5 | $60,000 | $0 | View return |
| 2020 | Washington D C Police Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 0 | $0 | $0 | View return |
| 2020 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2019 | Monumental Scholars Fund Inc | 990 | Chairman | 2 | $0 | $0 | View return |
| 2019 | Heroes Inc. | 990 | Director | 2.5 | $0 | $0 | View return |
| 2019 | Washington D C Police Foundation | 990 | Board Of Directors | 2 | $0 | $0 | View return |
| 2019 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2018 | Monumental Scholars Fund Inc | 990 | Chairman | 2 | $0 | $0 | View return |
| 2018 | Heroes Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2018 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2018 | Society of the Friendly Sons of St Patrick | 990 | Historian | 0 | $0 | $0 | View return |
| 2018 | Monumental Scholars Fund Inc | 990 | Chairman | 2 | $0 | $0 | View return |
| 2017 | Heroes Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2017 | Monumental Scholars Fund Inc | 990 | Acting Chairman | 0 | $0 | $0 | View return |
| 2017 | Society of the Friendly Sons of St Patrick | 990 | Historian | 0 | $0 | $0 | View return |
| 2017 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2017 | Sibley Memorial Hospital Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Monumental Scholars Fund Inc | 990 | Acting Chairman | 0 | $0 | $0 | View return |
| 2016 | Heroes Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2016 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2016 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 1 | $0 | $0 | View return |
| 2016 | Sibley Memorial Hospital Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Monumental Scholars Fund Inc | 990 | Acting Chairman | 1 | $0 | $0 | View return |
| 2015 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 1 | $0 | $0 | View return |
| 2015 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2014 | Society of the Friendly Sons of St Patrick | 990 | Historian | 1 | $0 | - | View return |
| 2014 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift | 1 | $0 | $0 | View return |
| 2013 | Society of the Friendly Sons of St Patrick | 990EZ | Historian | 1 | $0 | $0 | View return |
| 2013 | Supreme Court Historical Society the Society | 990 | Vice President, Chair Gift Shop Committee | 1 | $0 | $0 | View return |