| 2024 | James F and Marion L Miller Foundation | 990PF | President | 5 | $35,000 | $0 | View return |
| 2024 | Friends of Historic Butteville | 990EZ | Secretary | 2 | $0 | - | View return |
| 2024 | Foundations for a Better Oregon | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2024 | Oregon Environmental Council Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2023 | James F and Marion L Miller Foundation | 990PF | President | 5 | $35,000 | $0 | View return |
| 2023 | Friends of Historic Butteville | 990EZ | Secretary | 0 | $0 | - | View return |
| 2023 | Foundations for a Better Oregon | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Friends of Historic Butteville | 990EZ | Secretary | 0 | $0 | - | View return |
| 2023 | Oregon Environmental Council Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $35,000 | $0 | View return |
| 2022 | Foundations for a Better Oregon | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Friends of Historic Butteville | 990EZ | Secretary | 0 | $0 | - | View return |
| 2022 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $30,000 | $0 | View return |
| 2021 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Next in Line | 990EZ | Director | 1 | $0 | - | View return |
| 2021 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $30,000 | $0 | View return |
| 2020 | Next in Line | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $30,000 | $0 | View return |
| 2019 | Civics Learning Project | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | San Francisco Tourism Improvement | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Oregon Shakespeare Festival Association Inc | 990 | Board Member | 1.3 | $0 | $0 | View return |
| 2018 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $50,000 | $0 | View return |
| 2018 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 0 | $0 | $0 | View return |
| 2018 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $50,000 | $0 | View return |
| 2017 | Civics Learning Project | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2017 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 2 | $0 | $0 | View return |
| 2017 | Oregon Environmental Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $50,000 | $0 | View return |
| 2016 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Civics Learning Project | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2016 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 0 | $0 | $0 | View return |
| 2015 | James F and Marion L Miller Foundation | 990PF | Director | 5 | $29,167 | $0 | View return |
| 2015 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 2 | $0 | $0 | View return |
| 2015 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 2 | $0 | $0 | View return |
| 2014 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Civics Learning Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | British American Business Council Northern California | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 2 | $0 | $0 | View return |
| 2012 | Peter R & Maureen E Koehler Family Foundation | 990PF | Chairman | 2 | $0 | $0 | View return |