| 2024 | Meals on Wheels Foundation of Northern | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Woodstock Institute | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2023 | Community Nutrition Network and Senior | 990 | Vice-Chairman | 1 | $0 | $0 | View return |
| 2023 | Meals on Wheels Foundation of Northern | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Community Media Access Collaborative | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Community Media Access Collaborative | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Community Nutrition Network and Senior | 990 | Vice-Chairman | 1 | $0 | $0 | View return |
| 2022 | Meals on Wheels Foundation of Northern | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | The Cliff Dwellers | 990 | Secretary | 15 | $0 | $0 | View return |
| 2021 | National Czech & Slovak Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Community Media Access Collaborative | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Woodstock Institute | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2020 | National Czech & Slovak Museum | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2020 | Community Nutrition Network and Senior | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | Meals on Wheels Foundation of Northern | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | The John Marshall Law School | 990 | Professor | 40 | $134,405 | $0 | View return |
| 2019 | Woodstock Institute | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | National Czech & Slovak Museum | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Meals on Wheels Foundation of Northern | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Community Nutrition Network and Senior | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | National Czech & Slovak Museum | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | Woodstock Institute | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Meals on Wheels Foundation of Northern | 990 | Board Member | 0.2 | $0 | $0 | View return |
| 2018 | Community Nutrition Network and Senior | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | The John Marshall Law School | 990 | Professor | 40 | $236,081 | $0 | View return |
| 2017 | National Czech & Slovak Museum | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2017 | Community Nutrition Network and Senior | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | Meals on Wheels Foundation of Northern | 990 | Board Member | 0.2 | $0 | $0 | View return |
| 2016 | The John Marshall Law School | 990 | Professor | 40 | $235,181 | $0 | View return |
| 2016 | National Czech & Slovak Museum | 990 | Ex Officio Board Member | 0.5 | $0 | $0 | View return |
| 2016 | School for Outdoor Leadership Adventure and Recrea | 990 | Membership Chair | 1 | $0 | $0 | View return |
| 2015 | The John Marshall Law School | 990 | Professor | 40 | $235,181 | $0 | View return |
| 2015 | National Czech & Slovak Museum | 990 | Ex Officio Board Member | 0.5 | $0 | $0 | View return |
| 2015 | Council of Higher Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | James and Helen Hovorka Endowment Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | School for Outdoor Leadership Adventure and Recrea | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Meals on Wheels Foundation of Northern | 990 | Board Member | 0.2 | $0 | $0 | View return |
| 2015 | Community Nutrition Network and Senior | 990 | Chairperson | 1 | $0 | $0 | View return |
| 2014 | The John Marshall Law School | 990 | Professor | 40 | $235,181 | $0 | View return |
| 2014 | Council of Higher Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | National Czech & Slovak Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | School for Outdoor Leadership Adventure and Recrea | 990 | Vice President | 1 | $0 | $0 | View return |
| 2014 | James and Helen Hovorka Endowment Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Meals on Wheels Foundation of Northern | 990 | Board Member | 0.2 | $0 | $0 | View return |
| 2013 | The John Marshall Law School | 990 | Professor | 40 | $245,017 | $0 | View return |
| 2013 | National Czech & Slovak Museum | 990 | Director | 0.5 | $0 | $0 | View return |