| 2024 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2024 | York County Bar Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Sports Field Management Association | 990 | Past Preside | 2 | $0 | $0 | View return |
| 2023 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2023 | York County Bar Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Sports Field Management Association | 990 | President | 2 | $0 | $0 | View return |
| 2022 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | York County Bar Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2021 | York County Bar Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 2.5 | $0 | $0 | View return |
| 2021 | Sports Field Management Association | 990 | President-El | 2 | $0 | $0 | View return |
| 2021 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 2.5 | $0 | $0 | View return |
| 2020 | York County Bar Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Sports Field Management Association | 990 | Secretary/Tr | 2 | $0 | $0 | View return |
| 2019 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Chairman Of The Board | 2.5 | $0 | $0 | View return |
| 2019 | Sports Field Management Association | 990 | Secretary/Tr | 2 | $0 | $0 | View return |
| 2019 | York County Bar Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Foundation for Safer Athletic Fields for Everyone | 990EZ | Director | 1 | $0 | - | View return |
| 2019 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | York County Bar Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2018 | Sports Field Management Association | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Virginia Beach Historic Houses Foundation Inc. | 990EZ | Board/Direct | 1 | $0 | - | View return |
| 2017 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2016 | Sculpture Fields at Montague Park | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2015 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2014 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2013 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2012 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |
| 2011 | Airie Knipel Harry V and J Williams Warehime Foundation | 990PF | Vice Pres. | 0.5 | $0 | $0 | View return |