| 2024 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2024 | Gary Coffman Guitar Scholarship Foundation | 990PF | VP | 1 | $0 | $0 | View return |
| 2024 | Richard W & Mary Louise Hurckes Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $1,500 | - | View return |
| 2023 | South Dakota Aviation Association | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2023 | Richard W & Mary Louise Hurckes Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Gary Coffman Guitar Scholarship Foundation | 990PF | VP | 1 | $0 | $0 | View return |
| 2023 | Ancient Free & Accepted Masons of Colorado | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2022 | South Dakota Aviation Association | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2022 | Richard W & Mary Louise Hurckes Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Gary Coffman Guitar Scholarship Foundation | 990PF | VP | 1 | $0 | $0 | View return |
| 2022 | Ancient Free & Accepted Masons of Colorado | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Mchenry County Economic Development Foundation | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2021 | South Dakota Aviation Association | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2021 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2021 | Gary Coffman Guitar Scholarship Foundation | 990PF | VP | 1 | $0 | $0 | View return |
| 2021 | Ancient Free & Accepted Masons of Colorado | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Ancient Free & Accepted Masons of Colorado | 990EZ | Treasurer | 2 | $187 | $0 | View return |
| 2020 | Working Together | 990EZ | Member | 0 | $0 | $0 | View return |
| 2020 | Gary Coffman Guitar Scholarship Foundation | 990PF | VP | 1 | $0 | $0 | View return |
| 2020 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2020 | South Dakota Aviation Association | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2020 | Mchenry County Economic Development Foundation | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2019 | Winter Course in Infectious Diseases Inc | 990PF | Director | 0.5 | $1,500 | - | View return |
| 2019 | Ancient Free & Accepted Masons of Colorado | 990EZ | Treasurer | 2 | $748 | $0 | View return |
| 2019 | South Dakota Aviation Association | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2019 | Mchenry County Economic Development Foundation | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2018 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2018 | South Dakota Aviation Association | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2017 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2017 | South Dakota Aviation Association | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2016 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2015 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2015 | Red Arrow Camp Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2014 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2014 | Red Arrow Camp Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2012 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $3,000 | $0 | View return |
| 2011 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 1 | $2,000 | $0 | View return |
| 2010 | Winter Course in Infectious Diseases Inc | 990PF | President & Director | 0 | $0 | $0 | View return |