| 2025 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Hss Properties Corporation | 990 | Member | 0.1 | $0 | $0 | View return |
| 2024 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.19 | $0 | $0 | View return |
| 2024 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 1.62 | $0 | $0 | View return |
| 2024 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 1.63 | $0 | $0 | View return |
| 2023 | Hss Properties Corporation | 990 | Member | 0.1 | $0 | $0 | View return |
| 2023 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.19 | $0 | $0 | View return |
| 2022 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Hss Properties Corporation | 990 | Member | 0.09 | $0 | $0 | View return |
| 2022 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 1.55 | $0 | $0 | View return |
| 2022 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.18 | $0 | $0 | View return |
| 2021 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.48 | $0 | $0 | View return |
| 2021 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.29 | $0 | $0 | View return |
| 2021 | Hss Properties Corporation | 990 | Member | 0.15 | $0 | $0 | View return |
| 2020 | Hss Properties Corporation | 990 | Member | 0.15 | $0 | $0 | View return |
| 2020 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.47 | $0 | $0 | View return |
| 2020 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.29 | $0 | $0 | View return |
| 2020 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2019 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.7 | $0 | $0 | View return |
| 2019 | Ehrenkranz Family Foundation C/O Joel S Ehrenkranz | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.32 | $0 | $0 | View return |
| 2019 | The Asia Society | 990 | Trustee - End 08/2019 | 1 | $0 | $0 | View return |
| 2018 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2018 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.32 | $0 | $0 | View return |
| 2018 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.73 | $0 | $0 | View return |
| 2018 | The Asia Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2017 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.32 | $0 | $0 | View return |
| 2017 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.73 | $0 | $0 | View return |
| 2017 | The Asia Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.64 | $0 | $0 | View return |
| 2016 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.31 | $0 | $0 | View return |
| 2016 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2016 | The Graduate Center Foundation Inc. | 990 | Board Member-Resigned 01/2017 | 1 | $0 | $0 | View return |
| 2016 | The Asia Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Hss Properties Corporation | 990 | Member | 0.15 | $0 | $0 | View return |
| 2015 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.31 | $0 | $0 | View return |
| 2015 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.62 | $0 | $0 | View return |
| 2015 | The Asia Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Graduate Center Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.71 | $0 | $0 | View return |
| 2014 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.32 | $0 | $0 | View return |
| 2014 | Hss Properties Corporation | 990 | Member | 0.16 | $0 | $0 | View return |
| 2014 | The Asia Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The New 42Nd Street Inc | 990 | Director (Through 7/31/2014) | 1 | $0 | $0 | View return |
| 2014 | The Graduate Center Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.98 | $0 | $0 | View return |
| 2013 | Hss Properties Corporation | 990 | Member | 0.06 | - | - | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.98 | $0 | $0 | View return |
| 2013 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.12 | - | - | View return |
| 2013 | The New 42Nd Street Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Graduate Center Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | The Asia Society | 990 | Trustee, Effective 3/14 | 1 | $0 | $0 | View return |