| 2024 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $6,792 | View return |
| 2022 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | American Association for the Advancement of Science | 990 | Director (Thru 2/22) | 4 | $0 | $0 | View return |
| 2022 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $5,024 | View return |
| 2021 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | American Association for the Advancement of Science | 990 | Director | 4 | $0 | $0 | View return |
| 2021 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $3,444 | View return |
| 2020 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 1 | $0 | $3,444 | View return |
| 2020 | American Association for the Advancement of Science | 990 | Director | 4 | $0 | $0 | View return |
| 2020 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $4,382 | View return |
| 2019 | The Alliance for Climate Protection | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | American Association for the Advancement of Science | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $3,930 | View return |
| 2018 | American Association for the Advancement of Science | 990 | Director As Of 2/2018 | 4 | $0 | $0 | View return |
| 2018 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2018 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $4,474 | View return |
| 2017 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $4,311 | View return |
| 2016 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $3,885 | View return |
| 2015 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2015 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $3,885 | View return |
| 2014 | Federation of American Scientists | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2014 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $3,291 | View return |
| 2013 | Wildlife Conservation Society Amended 990 | 990 | Trustee | 1 | - | - | View return |
| 2012 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 3 | $0 | $3,816 | View return |
| 2011 | Gordon E and Betty I Moore Foundation | 990PF | Trustee | 4 | $0 | $3,084 | View return |