| 2024 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Foreign Policy Association Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Foreign Policy Association Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Foreign Policy Association Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Metropolitan Opera Association Inc | 990 | Managing Director To 11/12/20 | 1 | $0 | $0 | View return |
| 2020 | Foreign Policy Association Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | American University of Beirut | 990 | Trustee (Thru 3/20) | 1 | $0 | $0 | View return |
| 2019 | Foreign Policy Association Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Metropolitan Opera Association Inc | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2018 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Metropolitan Opera Association Inc | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2018 | American University of Beirut | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | American University of Beirut | 990 | Trustee (Eff 3/18) | 1 | $0 | $0 | View return |
| 2017 | Metropolitan Opera Association Inc | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Society Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Metropolitan Opera Association Inc | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2015 | Metropolitan Opera Association Inc | 990 | Managing Director From 3/10/16 | 1 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Society Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | American University of Beirut | 990 | Trustee (To 3/16) | 2 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Carnegie Hall Society Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | American University of Beirut | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | American University of Beirut | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Trustee | 1 | $0 | $0 | View return |