| 2024 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2023 | Marin Community Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2023 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2022 | Media Matters for America | 990 | Director (From 10/22) | 1 | $0 | $0 | View return |
| 2022 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2022 | Marin Community Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2022 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2021 | Mcf Property Holdings Inc | 990EZ | Board Member | 0 | $0 | $0 | View return |
| 2021 | Marin Community Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2021 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2021 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2020 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Mcf Property Holdings Inc | 990EZ | Board Member | 0 | $0 | $0 | View return |
| 2020 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2020 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2020 | Marin Community Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2019 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2019 | Ray Dolby Legacy Fund | 990EZ | Chair | 0 | $0 | $0 | View return |
| 2019 | Mcf Property Holdings Inc | 990EZ | Board Member | 0 | $0 | $0 | View return |
| 2019 | Marin Community Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2019 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2018 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Ray Dolby Legacy Fund | 990EZ | Chair | 0 | $0 | $0 | View return |
| 2018 | Mcf Property Holdings Inc | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2018 | Marin Community Foundation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2018 | Mcf Gift Fund Inc. | 990 | Board Chair | 0.1 | $0 | $0 | View return |
| 2017 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Ray Dolby Legacy Fund | 990EZ | Chair | 0 | $0 | $0 | View return |
| 2017 | Marin Community Foundation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | Mcf Gift Fund Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2017 | The Mortgage Capital Development | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2017 | Mcf Property Holdings Inc | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2017 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2017 | California Academy of Sciences | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | California Academy of Sciences | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | California Academy of Sciences | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Ray Dolby Legacy Fund | 990EZ | Chair | 0 | $0 | $0 | View return |
| 2016 | Mcf Gift Fund Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2016 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2016 | Marin Community Foundation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2016 | Mcf Property Holdings Inc | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2016 | The Mortgage Capital Development | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2015 | Media Matters for America | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | California Academy of Sciences | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Golden Gate National Parks Conservancy | 990 | Chair (Thru 12/15) | 1 | $0 | $0 | View return |
| 2015 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0.05 | $0 | $0 | View return |
| 2015 | The Mortgage Capital Development | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2015 | Mcf Property Holdings Inc | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2015 | Mcf Gift Fund Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2015 | Marin Community Foundation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Bolinas Museum | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Camp Starlight Commission | 990EZ | Member | 1 | $0 | - | View return |
| 2014 | The Edible Schoolyard Project | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Mortgage Capital Development | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Golden Gate National Parks Conservancy | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | The Susie Tompkins Buell Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2013 | Camp Starlight Commission | 990EZ | Member | 1 | $0 | - | View return |
| 2013 | Golden Gate National Parks Conservancy | 990 | Chair | 1 | $0 | $0 | View return |
| 2013 | The Mortgage Capital Development | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | The Edible Schoolyard Project | 990 | Director | 1 | $0 | $0 | View return |