| 2024 | The American Hospital Of | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2024 | Atlas Economic Research Foundation | 990 | Board Member | 4 | $0 | $0 | View return |
| 2023 | The American Hospital Of | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2023 | Atlas Economic Research Foundation | 990 | Board Member | 4 | $0 | $0 | View return |
| 2023 | American Hospital of Paris | 990 | Governor | 1 | $0 | $0 | View return |
| 2023 | Competitive Enterprise Institute | 990 | Chairman Until 11/23 | 1 | $0 | $0 | View return |
| 2022 | Atlas Economic Research Foundation | 990 | Board Member | 4 | $0 | $0 | View return |
| 2022 | The American Hospital Of | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2022 | Competitive Enterprise Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | American Hospital of Paris | 990 | Governor | 1 | $0 | $0 | View return |
| 2021 | American Hospital of Paris | 990 | Governor | 1 | $0 | $0 | View return |
| 2021 | The American Hospital Of | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2021 | Atlas Economic Research Foundation | 990 | Board Member | 4 | $0 | $0 | View return |
| 2021 | Competitive Enterprise Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | Competitive Enterprise Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | The American Hospital Of | 990 | President | 5 | $0 | $0 | View return |
| 2020 | Atlas Economic Research Foundation | 990 | Board Member | 4 | $0 | $0 | View return |
| 2020 | United Way Worldwide | 990 | Chair Resrc Dev Cmte (To 5/12/20) | 1 | $0 | $0 | View return |
| 2019 | International Friends of the Intl Lyric | 990EZ | President - Until 04/2019 | 2 | $0 | $0 | View return |
| 2019 | The American Hospital Of | 990 | President | 5 | $0 | $0 | View return |
| 2019 | United Way Worldwide | 990 | Chair Resrc Dev CMT, Fmr At Lg | 2 | $0 | $0 | View return |
| 2019 | Competitive Enterprise Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | United Way of New York City | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The American Hospital Of | 990 | President | 5 | $0 | $0 | View return |
| 2018 | International Friends of the Intl Lyric | 990EZ | President | 2 | $0 | $0 | View return |
| 2018 | United Way of New York City | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | International Friends of the Intl Lyric | 990 | President | 2 | $0 | $0 | View return |
| 2017 | The American Hospital Of | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | United Way of New York City | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Competitive Enterprise Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | International Friends of the Intl Lyric | 990EZ | Co-Pres. - Until 07/2016; President | 2 | $0 | $0 | View return |
| 2016 | The American Hospital Of | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Competitive Enterprise Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The American Hospital Of | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | International Friends of the Intl Lyric | 990 | Co-President | 2 | $0 | $0 | View return |
| 2015 | Competitive Enterprise Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | French Institute - Alliance Francaise | 990 | Board Member (Through 05/2016) | 2 | $0 | $0 | View return |
| 2014 | International Friends of the Intl Lyric | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The American Hospital Of | 990 | Director | 1 | - | - | View return |
| 2014 | Competitive Enterprise Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | French Institute - Alliance Francaise | 990 | Board Member | 2 | $0 | $0 | View return |
| 2013 | The American Hospital Of | 990 | Director | - | $0 | $0 | View return |
| 2013 | Competitive Enterprise Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | French Institute - Alliance Francaise | 990 | Board Member | 2 | $0 | $0 | View return |