| 2025 | Phi Kappa Psi Fraternity | 990 | Responding Secretary | 1 | $0 | $0 | View return |
| 2025 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2024 | Butte Electric Cooperative Inc | 990 | Secretary | 1 | $11,001 | $0 | View return |
| 2024 | Mercy Terrace Apartments | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2024 | International Senior Lawyers Corporation | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Glaucoma Research Foundation | 990 | President & CEO | 24 | $273,462 | $0 | View return |
| 2023 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $13,987 | $0 | View return |
| 2023 | South Dakota Rural Electric Association | 990 | Director | 1 | $3,325 | $0 | View return |
| 2023 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2023 | Mercy Terrace Apartments | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | International Senior Lawyers Corporation | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $258,086 | $0 | View return |
| 2022 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $10,551 | $0 | View return |
| 2022 | South Dakota Rural Electric Association | 990 | Director | 1 | $6,011 | $0 | View return |
| 2022 | Mercy Terrace Apartments | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | International Senior Lawyers Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2021 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $239,127 | $0 | View return |
| 2021 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $7,543 | $0 | View return |
| 2021 | South Dakota Rural Electric Association | 990 | Director | 1 | $4,423 | $0 | View return |
| 2021 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2021 | International Senior Lawyers Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Mercy Terrace Apartments | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Leapfrog Labs Inc. | 990EZ | Director And President | 1 | $0 | $0 | View return |
| 2020 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $243,813 | $0 | View return |
| 2020 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $11,158 | $0 | View return |
| 2020 | South Dakota Rural Electric Association | 990 | Director | 1 | $2,145 | $0 | View return |
| 2020 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 0 | $0 | - | View return |
| 2020 | International Senior Lawyers Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Leapfrog Labs Inc. | 990 | Director And President | 1 | $0 | $0 | View return |
| 2019 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $210,468 | $0 | View return |
| 2019 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $10,438 | $0 | View return |
| 2019 | South Dakota Rural Electric Association | 990 | Director | 1 | $1,550 | $0 | View return |
| 2019 | Leapfrog Labs Inc. | 990 | Director And President | 1 | $0 | $0 | View return |
| 2019 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 0 | $0 | - | View return |
| 2019 | International Senior Lawyers Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 0.08 | $0 | $0 | View return |
| 2018 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $241,697 | $0 | View return |
| 2018 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $8,663 | $0 | View return |
| 2018 | South Dakota Rural Electric Association | 990 | Director | 1 | $2,945 | $0 | View return |
| 2018 | Ziegel Church Union Cemetery Association | 990EZ | Vice President | 0 | $0 | - | View return |
| 2018 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | International Senior Lawyers Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Leapfrog Labs Inc. | 990 | Director And President | 1 | $0 | $0 | View return |
| 2017 | Glaucoma Research Foundation | 990 | President & CEO | 32 | $246,394 | $0 | View return |
| 2017 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $6,175 | $0 | View return |
| 2017 | South Dakota Rural Electric Association | 990 | Director | 1 | $2,700 | $0 | View return |
| 2017 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Leapfrog Labs Inc. | 990 | Director And President | 1 | $0 | $0 | View return |
| 2017 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Glaucoma Research Foundation | 990 | President & CEO | 40 | $243,145 | $0 | View return |
| 2016 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $6,375 | $0 | View return |
| 2016 | South Dakota Rural Electric Association | 990 | Director | 1 | $3,000 | $0 | View return |
| 2016 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Glaucoma Research Foundation | 990 | President & CEO | 40 | $219,953 | $0 | View return |
| 2015 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $5,250 | $0 | View return |
| 2015 | South Dakota Rural Electric Association | 990 | Director | 1 | $2,610 | $0 | View return |
| 2015 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Glaucoma Research Foundation | 990 | President & CEO | 40 | $230,321 | $0 | View return |
| 2014 | Butte Electric Cooperative Inc | 990 | Secretary | 4 | $4,950 | $0 | View return |
| 2014 | South Dakota Rural Electric Association | 990 | Director | 1 | $4,830 | $0 | View return |
| 2014 | Lincoln Motor Car Heritage Museum and Research Foundation Inc. | 990 | VP-Sec 1/14-9/14 | 5 | $0 | $0 | View return |
| 2013 | Butte Electric Cooperative Inc | 990 | Secretary | 3 | $3,375 | $0 | View return |
| 2013 | South Dakota Rural Electric Association | 990 | Director | 1 | $2,010 | $0 | View return |