| 2025 | Feed the Children Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Feed the Children Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Medical Physics Publishing Corporation | 990 | Director | 0.25 | $0 | $0 | View return |
| 2023 | Master Wardens & Members of Masons in Mass | 990 | Secretary | 10 | $0 | $0 | View return |
| 2023 | Iatse St Louis Theatrical Brotherhood | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Master Wardens & Members of Masons in Mass | 990 | Secretary | 10 | $0 | $0 | View return |
| 2022 | Medical Physics Publishing Corporation | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Iatse St Louis Theatrical Brotherhood | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Medical Physics Publishing Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Wilson Democratic Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Iatse St Louis Theatrical Brotherhood | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Wilson Democratic Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | Wisconsin Security Research Consortium Inc. | 990EZ | Member | 1 | $0 | $0 | View return |
| 2019 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | Iatse St Louis Theatrical Brotherhood | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2019 | Wilson Democratic Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Iatse St Louis Theatrical Brotherhood | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2018 | Wilson Democratic Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2018 | Iatse Local No 6 Health and Welfare Fund | 990 | Exiting Trustee | 4 | $0 | $0 | View return |
| 2017 | Wisconsin Security Research Consortium Inc. | 990EZ | Member | 1 | $0 | $0 | View return |
| 2017 | Wilson Democratic Association | 990 | President | 0.5 | $0 | $0 | View return |
| 2017 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2017 | Fannie and John Hertz Foundation | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Iatse Local No 6 Health and Welfare Fund | 990 | Trustee | 4 | $0 | $0 | View return |
| 2016 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2016 | Wisconsin Security Research Consortium Inc. | 990EZ | Member | 1 | $0 | $0 | View return |
| 2016 | Wilson Democratic Association | 990 | President | 0.5 | $0 | $0 | View return |
| 2016 | Iatse Local No 6 Health and Welfare Fund | 990 | Trustee | 4 | $0 | $0 | View return |
| 2016 | Fannie and John Hertz Foundation | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Medical Physics Publishing Corporation | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2015 | Wilson Democratic Association | 990 | President | 0.5 | $0 | $0 | View return |
| 2015 | Fannie and John Hertz Foundation | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Wisconsin Security Research Consortium Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2015 | Iatse Local No 6 Health and Welfare Fund | 990 | Trustee | 4 | $0 | $0 | View return |
| 2014 | Committee on Institutional Cooperation D/B/A/ Big Ten Academic Alliance | 990 | Director | 1 | $0 | $380,044 | View return |
| 2014 | Wisconsin Security Research Consortium Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2014 | Medical Physics Publishing Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Fannie and John Hertz Foundation | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2014 | Iatse Local No 6 Health and Welfare Fund | 990 | Trustee | 4 | $0 | $0 | View return |
| 2013 | Medical Physics Publishing Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Wisconsin Center for Education Products and Services Wceps Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Fannie and John Hertz Foundation | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2013 | Iatse Local No 6 Health and Welfare Fund | 990 | Trustee | 4 | $0 | $0 | View return |