| 2025 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2024 | Bull Run Mountains Conservancy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2024 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 2 | $0 | $0 | View return |
| 2023 | Bull Run Mountains Conservancy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2023 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 2 | $0 | $0 | View return |
| 2022 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2022 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2022 | Bull Run Mountains Conservancy Inc. | 990 | President | 4 | $0 | $0 | View return |
| 2022 | Buxton School Inc. | 990 | Honorary Trustee | 1.5 | $0 | $0 | View return |
| 2021 | Bull Run Mountains Conservancy Inc. | 990 | President | 4 | $0 | $0 | View return |
| 2021 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2021 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2021 | Buxton School Inc. | 990 | Honorary Trustee | 1.5 | $0 | $0 | View return |
| 2020 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2020 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2020 | Buxton School Inc. | 990 | Honorary Trustee | 1.5 | $0 | $0 | View return |
| 2020 | Bull Run Mountains Conservancy Inc. | 990 | President | 4 | $0 | $0 | View return |
| 2019 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2019 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2019 | Buxton School Inc. | 990 | Honorary Trustee | 1.5 | $0 | $0 | View return |
| 2019 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2018 | Buxton School Inc. | 990 | Honorary Trustee | 1.5 | $0 | $0 | View return |
| 2018 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990 | Director | 1.5 | $0 | $0 | View return |
| 2018 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2018 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Bull Run Preserve T/A Turn the MILL Around Campaign | 990EZ | Director | 1.5 | $0 | $0 | View return |
| 2017 | Wrinkle in Time Foundation Inc. | 990PF | Chairperson, Director | 1 | $0 | $0 | View return |
| 2017 | Buxton School Inc. | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2017 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Buxton School Inc. | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2015 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2015 | Buxton School Inc. | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2014 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2014 | Buxton School Inc. | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2013 | Buxton School Inc. | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2013 | Bull Run Mountains Conservancy Inc. | 990 | President | 2 | $0 | $0 | View return |