| 2024 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Cancer Prevention Initiative Inc | 990 | Board Chair; Chief Financial Officer | 5 | $0 | $0 | View return |
| 2024 | Colorado School of Mines Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Greater Colorado Council Boy Scouts of America | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Cancer Prevention Initiative Inc | 990 | Board Chair; Chief Financial Officer | 3 | $0 | $0 | View return |
| 2023 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Colorado School of Mines Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Colorado School of Mines Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Greater Colorado Council Boy Scouts of America | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Cancer Prevention Initiative Inc | 990 | Board Chair; Chief Financial Officer | 3 | $0 | $0 | View return |
| 2021 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Cancer Prevention Initiative Inc | 990 | Board Chair; Chief Financial Officer | 3 | $0 | $0 | View return |
| 2021 | Colorado School of Mines Foundation | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2020 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Cancer Prevention Initiative Inc | 990 | Board Chair | 3 | $0 | $0 | View return |
| 2020 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Colorado School of Mines Foundation | 990 | At Large | 1 | $0 | $0 | View return |
| 2019 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Colorado School of Mines Foundation | 990 | At Large | 1 | $0 | $0 | View return |
| 2018 | The Tbmopa Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Cancer Prevention Initiative Inc | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2017 | Cancer Prevention Initiative Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Tbm 700 Owners and Pilots | 990 | Chairman | 4 | $0 | $0 | View return |
| 2016 | Cancer Prevention Initiative Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Heart of America Council Boy Scouts Of | 990 | Legacy Board | 2 | $0 | $0 | View return |
| 2016 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Tbm 700 Owners and Pilots | 990 | Chairman | 4 | $0 | $0 | View return |
| 2015 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | University of Tulsa | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Heart of America Council Boy Scouts Of | 990 | Executive Board | 2 | $0 | $0 | View return |
| 2013 | Unknown Organization | 990EZ | Chairman | 0.5 | $0 | - | View return |
| 2013 | Tbm 700 Owners and Pilots | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | University of Tulsa | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Janzen Family Charitable Foundation | 990PF | Trustee | 0 | $0 | - | View return |