| 2024 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Winthrop South Nassau University Health | 990EZ | Secretary | 0.05 | $0 | $0 | View return |
| 2024 | Jerome L Greene Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2024 | Target Als Foundation Inc | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2024 | The Partnership for New York City Inc | 990 | Director | 0.15 | $0 | $0 | View return |
| 2024 | Icahn School of Medicine at Mount Sinai | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2024 | South Nassau Communities Hospital | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2024 | New York-Presbyterian Foundation Inc | 990EZ | Governor | 0.3 | $0 | $0 | View return |
| 2024 | The Mount Sinai Medical Center | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2024 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2024 | New York-Presbyterian Fund Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2024 | The New York and Presbyterian Hospital | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | The Mount Sinai Hospital | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2024 | Legal Action Center of the City Of | 990 | Chairman | 0.4 | $0 | $0 | View return |
| 2024 | Ja Worldwide Inc | 990 | Director (Term End 06/2025) | 2 | $0 | $0 | View return |
| 2024 | South Nassau Communities Hospital | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2024 | The Rise Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Partnership for New York City Inc | 990 | Director | 0.15 | $0 | $0 | View return |
| 2023 | South Nassau Communities Hospital | 990 | Secretary (Start 10/23) | 1 | $0 | $0 | View return |
| 2023 | South Nassau Communities Hospital Inc | 990 | Secretary (Start 10/23) | 1 | $0 | $0 | View return |
| 2023 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2023 | Jerome L Greene Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Target Als Foundation Inc | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2023 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | International Computer Science Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Rise Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Garden of Dreams Foundation | 990 | Director | 0.2 | $0 | $0 | View return |
| 2023 | Vice President'S Residence Foundation | 990 | Treasurer & Secretary | 1 | $0 | $0 | View return |
| 2023 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Trustees of Union College in the Town Of | 990 | Term Trustee | 1.5 | $0 | $0 | View return |
| 2023 | International Computer Science Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Jerome L Greene Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | International Computer Science Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | St Luke'S-Roosevelt Hospital Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2022 | New York Eye & Ear Infirmary | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2022 | The Mount Sinai Medical Center | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2022 | Mount Sinai Hospitals Group Inc | 990EZ | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2022 | Mount Sinai Health System Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | The Partnership for New York City Inc | 990 | Director | 0.15 | $0 | $0 | View return |
| 2022 | Icahn School of Medicine at Mount Sinai | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2022 | The Mount Sinai Hospital | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2022 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | Beth Israel Medical Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2022 | Trustees of Union College in the Town Of | 990 | Term Trustee | 1.5 | $0 | $0 | View return |
| 2022 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Garden of Dreams Foundation | 990 | Director | 0.2 | $0 | $0 | View return |
| 2022 | Vice President'S Residence Foundation | 990 | Treasurer & Secretary | 1 | $0 | $0 | View return |
| 2022 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Rise Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Mount Sinai Hospital | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2021 | Mount Sinai Hospitals Group Inc | 990EZ | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2021 | St Luke'S-Roosevelt Hospital Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2021 | The Mount Sinai Medical Center | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2021 | The Partnership for New York City Inc | 990 | Director | 0.15 | $0 | $0 | View return |
| 2021 | Beth Israel Medical Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2021 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | Jerome L Greene Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | New York Eye & Ear Infirmary | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2021 | Icahn School of Medicine at Mount Sinai | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2021 | Mount Sinai Health System Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | International Computer Science Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Trustees of Union College in the Town Of | 990 | Term Trustee | 1.5 | $0 | $0 | View return |
| 2021 | Garden of Dreams Foundation | 990 | Director (Eff. 6/22) | 0.2 | $0 | $0 | View return |
| 2021 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Jerome L Greene Foundation | 990PF | Director (As Of 5/2020) | 1 | $0 | $0 | View return |
| 2020 | Mount Sinai Hospitals Group Inc | 990EZ | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2020 | The Mount Sinai Medical Center | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2020 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | The Mount Sinai Hospital | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2020 | Mount Sinai Health System Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2020 | Beth Israel Medical Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2020 | New York Eye & Ear Infirmary | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2020 | Icahn School of Medicine at Mount Sinai | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2020 | St Luke'S-Roosevelt Hospital Center | 990 | Trustee/Secretary | 2 | $0 | $0 | View return |
| 2020 | The Partnership for New York City Inc | 990 | Director | 0.1 | $0 | $0 | View return |
| 2020 | Us Chamber Litigation Center | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Trustees of Union College in the Town Of | 990 | Term Trustee | 1.5 | $0 | $0 | View return |
| 2020 | Federal Bar Council | 990 | Fbc Trustee | 1 | $0 | $0 | View return |
| 2020 | Vice President'S Residence Foundation | 990 | Treasurer & Secretary (Start Feb 2022) | 1 | $0 | $0 | View return |
| 2020 | Lincoln Center for the Performing Arts | 990 | Director As Of 10/20 | 1 | $0 | $0 | View return |
| 2019 | New York Eye & Ear Infirmary | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2019 | The Mount Sinai Medical Center | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2019 | The Mount Sinai Hospital | 990 | Secretary/Trustee (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2019 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Icahn School of Medicine at Mount Sinai | 990 | Secretary/Trustee | 2 | $0 | $0 | View return |
| 2019 | Beth Israel Medical Center | 990 | Trustee/Secretary (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2019 | Us Chamber Litigation Center | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Practicing Attorneys for Law Students | 990EZ | Director | 2 | $0 | $0 | View return |
| 2019 | St Luke'S-Roosevelt Hospital Center | 990 | Trustee/Secretary (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2019 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Association of the Bar of the City of Ny | 990 | Vice President (End 5/20/19) | 2 | $0 | $0 | View return |
| 2019 | Trustees of Union College in the Town Of | 990 | Term Trustee (As Of 07/2019) | 1 | $0 | $0 | View return |
| 2019 | American Friends of Hebrew | 990 | Director (Thru 05/2020) | 1 | $0 | $0 | View return |
| 2019 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Karp Foundation Inc | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Practicing Attorneys for Law Students | 990EZ | Director | 2 | $0 | $0 | View return |
| 2018 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Association of the Bar of the City of Ny | 990 | Vice President(As Of 5/16/18) | 2 | $0 | $0 | View return |
| 2018 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Legal Action Center of the City Of | 990 | Chairman | 0.4 | $0 | $0 | View return |
| 2017 | Practicing Attorneys for Law Students | 990EZ | Director | 2 | $0 | $0 | View return |
| 2017 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Legal Action Center of the City Of | 990 | Chairman | 0.4 | $0 | $0 | View return |
| 2016 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Mark Messier Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Legal Action Center of the City Of | 990 | Director | 0.3 | $0 | $0 | View return |
| 2015 | Ja Worldwide Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Legal Action Center of the City Of | 990 | Director | 0.3 | $0 | $0 | View return |
| 2014 | Association of the Bar of the City of Ny | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | The Mount Sinai Medical Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | American Constitution Society for Law | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Association of the Bar of the City of Ny | 990 | Board Member (Sep 13-Present) | 2 | $0 | $0 | View return |
| 2013 | The Mount Sinai Medical Center | 990 | Trustee | 1 | - | - | View return |
| 2013 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | - | - | View return |
| 2013 | Legal Action Center of the City Of | 990 | Director | 0.3 | $0 | $0 | View return |
| 2013 | American Friends of Hebrew | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Riverdale Country School Inc | 990 | Board | 1 | $0 | $0 | View return |