| 2025 | American Landscape Institute Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2025 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2024 | Nebraska Defense Research Corporation | 990 | Chairman (Thru 09/2024) | 1 | $0 | $355,557 | View return |
| 2024 | National Strategic Research Institute | 990 | Director (Thru 03/2025) | 1 | $0 | $355,557 | View return |
| 2024 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2024 | American Landscape Institute Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2024 | Progress Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2024 | Capitol South Community Urban | 990 | Board Member (Begin 2024) | 0.3 | $0 | $0 | View return |
| 2024 | Baltimore Museum of Industry Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | American Council on Education | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Big Ten Conference Inc | 990 | Director | 2 | $0 | $1,540,819 | View return |
| 2023 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2023 | Progress Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | American Landscape Institute Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | Friends of Oberlin Village | 990EZ | Treasurer | 20 | $0 | $0 | View return |
| 2023 | Knights of Aksarben Foundation | 990 | Governor | 1 | $0 | $0 | View return |
| 2023 | The Trustees of the Ladew Topiary Gardens Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Shepherds Crossroads Volunteer Fire Department | 990EZ | Director | 1 | $0 | - | View return |
| 2022 | Knights of Aksarben Foundation | 990 | Governor | 1 | $0 | $0 | View return |
| 2022 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2022 | Progress Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Shepherds Crossroads Volunteer Fire Department | 990EZ | Director | 1 | $0 | - | View return |
| 2022 | The Trustees of the Ladew Topiary Gardens Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Shepherds Crossroads Volunteer Fire Department | 990EZ | President | 1 | $0 | $0 | View return |
| 2021 | Progress Inc | 990EZ | Director | 0 | $0 | $0 | View return |
| 2021 | Knights of Aksarben Foundation | 990 | Governor | 1 | $0 | $0 | View return |
| 2021 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2020 | Nebraska Defense Research Corporation | 990 | Chairman (Beg 08/20) | 1 | $0 | $964,827 | View return |
| 2020 | Progress Inc | 990EZ | Director | 0 | $0 | $0 | View return |
| 2020 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2020 | Global Cleveland | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Shepherds Crossroads Volunteer Fire Department | 990EZ | President | 1 | $0 | $0 | View return |
| 2020 | Fund for Our Economic Future of Northeast Ohio | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Trustees of the Ladew Topiary Gardens Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2019 | Fund for Our Economic Future of Northeast Ohio | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Shepherds Crossroads Volunteer Fire Department | 990EZ | President | 1 | $0 | $0 | View return |
| 2019 | The Trustees of the Ladew Topiary Gardens Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Maryland Nursery Landscape And | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2018 | Shepherds Crossroads Volunteer Fire Department | 990EZ | President | 1 | $0 | - | View return |
| 2018 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Fund for Our Economic Future of Northeast Ohio | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Maryland Nursery Landscape And | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2017 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2016 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Maryland Nursery Landscape And | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Lutheran Social Services of Northeast Florida Inc. | 990 | Treasurer, Board Of Directors | 1 | $0 | $0 | View return |
| 2015 | Long Green Valley Conservancy Inc. | 990EZ | Vice President | 1 | $0 | $0 | View return |
| 2015 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Optimist Boys' Home and Ranch Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Lutheran Social Services of Northeast Florida Inc. | 990 | Treasurer, Board Of Directors | 1 | $0 | $0 | View return |
| 2014 | Maryland Nursery Landscape And | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Long Green Valley Conservancy Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2014 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Optimist Boys' Home and Ranch Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Lutheran Social Services of Northeast Florida Inc. | 990 | Treasurer, Board Of Directors | 1 | $0 | $0 | View return |
| 2013 | Long Green Valley Conservancy Inc. | 990EZ | Vice President | 1 | $0 | $0 | View return |
| 2013 | National Rifle Association of America | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Lutheran Social Services of Northeast Florida Inc. | 990 | Director | 1 | - | - | View return |