| 2024 | Solomon R Guggenheim Foundation | 990 | Trustee/Chair | 8 | $0 | $0 | View return |
| 2024 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2023 | Solomon R Guggenheim Foundation | 990 | Trustee/Chair | 8 | $0 | $0 | View return |
| 2023 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2023 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Telluride Foundation | 990 | Director | 0.25 | $0 | $0 | View return |
| 2023 | The Metropolitan Museum of Art | 990 | Elective Trustee To 10/3/23 | 1 | $0 | $0 | View return |
| 2023 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Solomon R Guggenheim Foundation | 990 | Trustee/Chair | 8 | $0 | $0 | View return |
| 2022 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2022 | Friends of the High Line Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2021 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2021 | Solomon R Guggenheim Foundation | 990 | Trustee/VP; Chair (As Of 11/2021) | 3 | $0 | $0 | View return |
| 2021 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2021 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Solomon R Guggenheim Foundation | 990 | Trustee/Vice-President | 3 | $0 | $0 | View return |
| 2020 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2020 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | The Pilgrims of the United States | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2020 | The Pilgrims Foundation Inc | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2020 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2020 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Pilgrims Foundation Inc | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2019 | Solomon R Guggenheim Foundation | 990 | Trustee (As Of 05/2019) | 3 | $0 | $0 | View return |
| 2019 | The Pilgrims of the United States | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2019 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2019 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2018 | The Pilgrims of the United States | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2018 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2018 | Advantage Testing Foundation Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | The Pilgrims of the United States | 990EZ | Trustee | 0.05 | $0 | $0 | View return |
| 2017 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | Council on Foreign Relations Inc. | 990 | Director (Thru 6/30/2018) | 1 | $0 | $0 | View return |
| 2017 | The Hill Art Foundation | 990PF | President, Treasurer & Director | 1 | $0 | $0 | View return |
| 2017 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2017 | Advantage Testing Foundation Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Friends of the High Line Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2016 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2016 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Advantage Testing Foundation Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Lincoln Center for the Performing Arts Inc. | 990 | Director Thru 6/6/2016 | 1 | $0 | $0 | View return |
| 2015 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2015 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Chairman Of Board | 2 | $0 | $0 | View return |
| 2014 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Clove Valley Rod & Gun Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Chairman Of Board | 2 | $0 | $0 | View return |
| 2014 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2014 | Lincoln Center for the Performing Arts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Telluride Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Clove Valley Rod & Gun Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Vivian Beaumont Theater Inc D/B/A Lincoln Center Theater | 990 | Chairman Of Board | 2 | $0 | $0 | View return |
| 2013 | Lincoln Center for the Performing Arts Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | - | View return |