| 2024 | American Academy of Arts and Letters | 990PF | President | 1 | $0 | $0 | View return |
| 2024 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | American Academy of Arts and Letters | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | World Monuments Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | New York Shakespeare Festival | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Forum for the Future of Higher Education | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | American Academy of Arts and Letters | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | The Century Association | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | World Monuments Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Forum for the Future of Higher Education | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | World Monuments Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Forum for the Future of Higher Education | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | World Monuments Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Century Association | 990 | Board Member | 5 | $0 | $0 | View return |
| 2019 | Helping Africa Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | The Century Association | 990 | Board Member | 5 | $0 | $0 | View return |
| 2018 | Helping Africa Foundation Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | Helping Africa Foundation Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | The Paris Review Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Helping Africa Foundation Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | American Academy of Arts & Sciences | 990 | Member | 1 | $0 | $0 | View return |
| 2016 | New York Shakespeare Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Modern Language Association of America | 990 | President (Until 1/2017) | 5 | $0 | $0 | View return |
| 2016 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Helping Africa Foundation Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Artstor Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Facing History and Ourselves Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Modern Language Association of America | 990 | President | 5 | $0 | $0 | View return |
| 2015 | American Council of Learned Societies | 990 | Director Through 5/16/16 | 2 | $0 | $0 | View return |
| 2014 | Helping Africa Foundation Inc | 990 | Director. | 0 | $0 | $0 | View return |
| 2014 | Artstor Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | American Council of Learned Societies | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The New York Public Library | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Modern Language Association of America | 990 | First VP (From 01/15) | 2 | $0 | $0 | View return |
| 2014 | Modern Language Association of America | 990 | Second VP (To 01/15) | 2 | $0 | $0 | View return |
| 2013 | Artstor Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Modern Language Association of America | 990 | Second Vice Pres. (From 1/14) | 2 | $0 | $0 | View return |
| 2013 | American Council of Learned Societies | 990 | Director | 2 | - | - | View return |
| 2013 | The New York Public Library | 990 | Trustee - Began 5/14 | 1 | - | - | View return |