| 2024 | Fairvote | 990 | Vice Chair | 1.5 | $0 | $0 | View return |
| 2023 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Fairvote | 990 | Vice Chair | 1.5 | $0 | $0 | View return |
| 2022 | Fairvote | 990 | Vice Chair & Treasurer | 1.5 | $0 | $0 | View return |
| 2022 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Fairvote | 990 | Treasurer | 1.5 | $0 | $0 | View return |
| 2021 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Fairvote | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2020 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | American Friends of Fondation Beyeler | 990EZ | President | 1 | $0 | $0 | View return |
| 2019 | Fairvote | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Modern and Comtemporary Art Support Corp | 990 | VP/Director (Through Dec, 2019) | 0.5 | $0 | $0 | View return |
| 2019 | Museum of Modern Art | 990 | Pres Emeritus/Trustee Thru Dec, 2019 | 1 | $0 | $0 | View return |
| 2018 | American Friends of Fondation Beyeler | 990 | President | 1 | $0 | $0 | View return |
| 2018 | The Catherine C Marron Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2018 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2018 | Fairvote | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2018 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 0.5 | $0 | $0 | View return |
| 2017 | The Catherine C Marron Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2017 | The Concord Coalition Corp | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2017 | American Friends of Fondation Beyeler | 990 | President | 1 | $0 | $0 | View return |
| 2017 | Fairvote | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2017 | Center for Strategic and International Studies Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Fairvote | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2016 | The Catherine C Marron Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2016 | American Friends of Fondation Beyeler | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Center for Strategic and International Studies Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2016 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 0.5 | $0 | $0 | View return |
| 2015 | The Catherine C Marron Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2015 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2015 | Center for Strategic and International Studies Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 0.5 | $0 | $0 | View return |
| 2014 | Center for Strategic and International Studies Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 1 | $0 | $0 | View return |
| 2014 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2013 | Modern and Comtemporary Art Support Corp | 990 | Vice President/Director | 0.5 | $0 | $0 | View return |
| 2013 | Museum of Modern Art | 990 | President Emeritus/Life Trustee | 1 | $0 | $0 | View return |
| 2013 | Center for Strategic and International Studies Inc. | 990 | Trustee | 1 | $0 | $0 | View return |