| 2024 | The Sommerfeldt Cohler Foundation | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2023 | Pacific Environmental Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2023 | The Sommerfeldt Cohler Foundation | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2023 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2023 | San Francisco Symphony | 990 | Vice Chair | 8 | $0 | $0 | View return |
| 2023 | San Francisco Symphony | 990 | Vice Chair | 8 | $0 | $0 | View return |
| 2023 | Environmental Defense Fund Incorporated | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2022 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2022 | The Sommerfeldt Cohler Foundation | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2022 | Pacific Environmental Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2022 | San Francisco Symphony | 990 | Vice Chair | 8 | $0 | $0 | View return |
| 2022 | Environmental Defense Fund Incorporated | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2021 | Pacific Environmental Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2021 | The Sommerfeldt Cohler Foundation | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2021 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2021 | Environmental Defense Fund Incorporated | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2021 | San Francisco Symphony | 990 | Vice President/Joint Artistic | 8 | $0 | $0 | View return |
| 2021 | San Francisco Symphony | 990 | Vice President/Joint Artistic | 8 | $0 | $0 | View return |
| 2020 | Pacific Environmental Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2020 | The Sommerfeldt Cohler Foundation | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2020 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2020 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | San Francisco Symphony | 990 | Vice President/Joint Artistic | 8 | $0 | $0 | View return |
| 2019 | Pacific Environmental Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2019 | San Francisco Symphony | 990 | Vice President/Joint Artistic | 8 | $0 | $0 | View return |
| 2019 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2018 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.6 | $0 | $0 | View return |
| 2018 | Pacific Atlantic Action Coalition | 990 | President/Director | 0.5 | $0 | $0 | View return |
| 2017 | San Francisco Symphony | 990 | Member, Board Of Governors | 2.06 | $0 | $0 | View return |
| 2016 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.8 | $0 | $0 | View return |
| 2015 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.87 | $0 | $0 | View return |
| 2014 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.4 | $0 | $0 | View return |
| 2013 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.4 | $0 | $0 | View return |