| 2024 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2024 | Medical Care for Children Partnership Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | $0 | View return |
| 2023 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2023 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | $0 | View return |
| 2021 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | $0 | View return |
| 2021 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | $0 | View return |
| 2020 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | $0 | View return |
| 2018 | Harbitter Family Foundation | 990PF | President/Director | 24 | $0 | - | View return |
| 2018 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Medical Care for Children Partnership Foundation | 990 | Past President | 1 | $0 | $0 | View return |
| 2017 | Foundation of the Arc of Northern Virginia | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Foundation of the Arc of Northern Virginia | 990 | Past Chair/Treasurer | 1 | $0 | $0 | View return |
| 2015 | Foundation of the Arc of Northern Virginia | 990 | Past Chair/Treasurer | 1 | $0 | $0 | View return |
| 2015 | The Arc of Northern Virginia | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Arc of Northern Virginia | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Foundation of the Arc of Northern Virginia | 990 | Past Chair/Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Arc of Northern Virginia | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2013 | Foundation of the Arc of Northern Virginia | 990 | Past Chairman | 1 | $0 | $0 | View return |
| 2013 | Medical Care for Children Partnership Foundation | 990 | Director | 1 | $0 | $0 | View return |