| 2024 | Hss Properties Corporation | 990 | Vice Chair | 0.34 | $0 | $0 | View return |
| 2024 | The Hospital for Special Surgery Fund Inc | 990 | Vice Chair | 0.68 | $0 | $0 | View return |
| 2024 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Vice Chair | 5.73 | $0 | $0 | View return |
| 2023 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Vice Chair-From 4/2023 | 5.32 | $0 | $0 | View return |
| 2023 | Hss Properties Corporation | 990 | Vice Chair-From 4/2023 | 0.31 | $0 | $0 | View return |
| 2023 | The Hospital for Special Surgery Fund Inc | 990 | Vice Chair-From 4/2023 | 0.63 | $0 | $0 | View return |
| 2023 | The Allen-Stevenson School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Hss Properties Corporation | 990 | Member | 0.2 | $0 | $0 | View return |
| 2022 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.44 | $0 | $0 | View return |
| 2022 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.4 | $0 | $0 | View return |
| 2022 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.65 | $0 | $0 | View return |
| 2021 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.31 | $0 | $0 | View return |
| 2021 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2021 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Hss Properties Corporation | 990 | Member | 0.04 | $0 | $0 | View return |
| 2020 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.71 | $0 | $0 | View return |
| 2020 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.08 | $0 | $0 | View return |
| 2020 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Hss Properties Corporation | 990 | Member | 0.06 | $0 | $0 | View return |
| 2019 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.12 | $0 | $0 | View return |
| 2019 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Hss Properties Corporation | 990 | Member | 0.06 | $0 | $0 | View return |
| 2018 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.12 | $0 | $0 | View return |
| 2018 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 1.06 | $0 | $0 | View return |
| 2017 | Hss Properties Corporation | 990 | Member | 0.23 | $0 | $0 | View return |
| 2017 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.45 | $0 | $0 | View return |
| 2017 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.85 | $0 | $0 | View return |
| 2017 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.8 | $0 | $0 | View return |
| 2016 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.45 | $0 | $0 | View return |
| 2016 | Hss Properties Corporation | 990 | Member | 0.22 | $0 | $0 | View return |
| 2016 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Hss Properties Corporation | 990 | Member | 0.22 | $0 | $0 | View return |
| 2015 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.45 | $0 | $0 | View return |
| 2015 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.8 | $0 | $0 | View return |
| 2015 | The Allen-Stevenson School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Safe Horizon Inc. | 990 | Director (Former) | 1 | $0 | $0 | View return |
| 2014 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.46 | $0 | $0 | View return |
| 2014 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.41 | $0 | $0 | View return |
| 2014 | Hss Properties Corporation | 990 | Member | 0.2 | $0 | $0 | View return |
| 2014 | Houston Housing Development Fund Corporation | 990EZ | Director | 0.2 | $0 | $0 | View return |
| 2014 | Safe Horizon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.55 | $0 | $0 | View return |
| 2013 | Hss Properties Corporation | 990 | Member | 0.21 | - | - | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 3.55 | $0 | $0 | View return |
| 2013 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.42 | - | - | View return |
| 2013 | Safe Horizon Inc. | 990 | Director | 1 | $0 | $0 | View return |