| 2024 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0 | $0 | $0 | View return |
| 2024 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Charles H Revson Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0 | $0 | $0 | View return |
| 2023 | Charles H Revson Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Rethink Food Nyc Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | John and Mary R Markle Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2023 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | International Rescue Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0 | $0 | $0 | View return |
| 2022 | Rethink Food Nyc Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | John and Mary R Markle Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2022 | International Rescue Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | The Brookings Institution | 990 | Vc Nmntns & Gvrnnce (Thru 6/2/23) | 3 | $0 | $0 | View return |
| 2021 | Charles H Revson Foundation Inc. | 990PF | Chair & Director | 1 | $0 | $0 | View return |
| 2021 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0 | $0 | $0 | View return |
| 2021 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | Greater Ny Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2021 | The Brookings Institution | 990 | Treasurer Thru 6/3/22; Vc Nominations & Governance | 3 | $0 | $0 | View return |
| 2021 | John and Mary R Markle Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2021 | International Rescue Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Rockefeller University | 990 | Trustee (Effective 6/1/22) | 2 | $0 | $0 | View return |
| 2020 | Greater Ny Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2020 | Charles H Revson Foundation Inc. | 990PF | Chair & Director | 1 | $0 | $0 | View return |
| 2020 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2020 | International Rescue Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | John and Mary R Markle Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2019 | Greater Ny Foundation | 990 | Board Chair | 5 | $0 | $0 | View return |
| 2019 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2019 | International Rescue Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Brookings Institution | 990 | Vc, Nominations & Gov, Treasurer | 3 | $0 | $0 | View return |
| 2018 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2018 | Greater Ny Foundation | 990 | President And Co-Founder | 5 | $0 | $0 | View return |
| 2018 | New York Public Radio | 990 | Trustee (Through 12/18/18) | 1 | $0 | $0 | View return |
| 2018 | The Brookings Institution | 990 | Treasurer Of Board | 3 | $0 | $0 | View return |
| 2018 | The Brookings Institution | 990 | Treasurer Of Board | 3 | $0 | $0 | View return |
| 2017 | Greater Ny Foundation | 990EZ | Co-Founder | 5 | $0 | $0 | View return |
| 2017 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2017 | The Brookings Institution | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Dalton Schools Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | New York Public Radio | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Brookings Institution | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | New York Public Radio | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2016 | The Brookings Institution | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | New York Public Radio | 990 | Trustee (Started 2/9/17) | 1 | $0 | $0 | View return |
| 2016 | Dalton Schools Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2015 | The Brookings Institution | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Dalton Schools Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2014 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2014 | The Brookings Institution | 990 | Chair, Development Committee | 3 | $0 | $0 | View return |
| 2014 | Dalton Schools Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2013 | Cheryl C and Blair Effron Family Foundation | 990PF | Vice President & Secretary | 0.5 | $0 | $0 | View return |
| 2013 | The Brookings Institution | 990 | Chair Of The Development Committee | 3 | $0 | $0 | View return |
| 2013 | Dalton Schools Inc. | 990 | President | 10 | $0 | $0 | View return |