| 2025 | Berkeley Tennis Club Foundation | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2024 | Bread for the City Inc. | 990 | Physician | 40 | $163,489 | $0 | View return |
| 2024 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $63,794 | $0 | View return |
| 2024 | Mountain Health Gives | 990 | Director | 1 | $800 | $0 | View return |
| 2024 | Arkley Foundation C/O Whittier Trust | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Berkeley Tennis Club Foundation | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2024 | Cat Adoption and Rescue Efforts Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2024 | Union Aid Society | 990 | President | 1.8 | $0 | $0 | View return |
| 2023 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $63,060 | $0 | View return |
| 2023 | Mountain Health Gives | 990 | Director | 1 | $1,100 | $0 | View return |
| 2023 | Berkeley Tennis Club Foundation | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2023 | New Trier Township High School District 203 Educational Foundatio | 990 | Director | 3 | $0 | $0 | View return |
| 2023 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2022 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $57,608 | $0 | View return |
| 2022 | Montana Health Cooperative | 990 | Immediate Past Chair | 1 | $12,500 | $0 | View return |
| 2022 | Mountain Health Gives | 990PF | Director | 1 | $1,800 | $0 | View return |
| 2022 | Cat Adoption and Rescue Efforts Inc. | 990 | Director | - | $0 | $0 | View return |
| 2022 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2021 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $60,078 | $0 | View return |
| 2021 | Montana Health Cooperative | 990 | Director | 1 | $13,700 | $0 | View return |
| 2021 | Auxiliary of Hca Florida St. Petersburg Hospital Inc. | 990EZ | Director At Large | 2 | $0 | $0 | View return |
| 2021 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2020 | Montana Health Cooperative | 990 | Director | 1 | $13,100 | $0 | View return |
| 2020 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2020 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2019 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $52,738 | $0 | View return |
| 2019 | Montana Health Cooperative | 990 | Director | 1 | $9,450 | $0 | View return |
| 2019 | Union Aid Society | 990 | Director | 0.9 | $0 | $0 | View return |
| 2018 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $48,706 | $0 | View return |
| 2018 | Montana Health Cooperative | 990 | Director | 1 | $15,350 | $0 | View return |
| 2018 | Union Aid Society | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $48,250 | $0 | View return |
| 2017 | Montana Health Cooperative | 990 | Chairman | 1 | $14,500 | $0 | View return |
| 2016 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $46,704 | $0 | View return |
| 2016 | Montana Health Cooperative | 990 | Chair | 1 | $10,400 | $0 | View return |
| 2015 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $43,236 | $0 | View return |
| 2015 | Montana Health Cooperative | 990 | Chair | 1 | $11,200 | $0 | View return |
| 2015 | Montana Health Cooperative | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | The George Chambers Resource Center Inc. | 990 | Board Member | 2 | $0 | $0 | View return |