| 2024 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Friends of Big Sky Education | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | Friends of Big Sky Education | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | Friends of Big Sky Education | 990 | President | 20 | $0 | $0 | View return |
| 2020 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Friends of Big Sky Education | 990 | President | 20 | $0 | $0 | View return |
| 2019 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Friends of Big Sky Education | 990 | President | 20 | $0 | $0 | View return |
| 2018 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Friends of Big Sky Education | 990 | President | 20 | $0 | $0 | View return |
| 2016 | United States Olympic and Paralympic Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | Friends of Big Sky Education | 990 | President | 10 | $0 | $0 | View return |
| 2015 | United States Olympic and Paralympic Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Property and Environment Research Center | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Friends of Big Sky Education | 990 | President | 10 | $0 | $0 | View return |
| 2014 | Property and Environment Research Center | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2014 | United States Olympic and Paralympic Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Friends of Big Sky Education | 990 | President | 10 | $0 | $0 | View return |
| 2014 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2013 | Property and Environment Research Center | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Friends of Big Sky Education | 990 | President | 10 | $0 | $0 | View return |
| 2013 | Yellowstone Club Community Foundation | 990 | Vice President | 1 | $0 | $0 | View return |