| 2024 | Hss Properties Corporation | 990 | Member | 0.09 | $0 | $0 | View return |
| 2024 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Marina Kellen French Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2024 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2024 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 1.65 | $0 | $0 | View return |
| 2023 | Marina Kellen French Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Hss Properties Corporation | 990 | Member | 0.1 | $0 | $0 | View return |
| 2023 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.2 | $0 | $0 | View return |
| 2023 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2023 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Friends of the Musees Des Arts Decoratifs | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | World Monuments Fund Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Hss Properties Corporation | 990 | Member | 0.08 | $0 | $0 | View return |
| 2022 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 1.39 | $0 | $0 | View return |
| 2022 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.16 | $0 | $0 | View return |
| 2022 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Friends of the Musees Des Arts Decoratifs | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2021 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 1.54 | $0 | $0 | View return |
| 2021 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.18 | $0 | $0 | View return |
| 2021 | Hss Properties Corporation | 990 | Member | 0.09 | $0 | $0 | View return |
| 2021 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Museum of Contemporary Art | 990 | Trustee (Until 11/21) | 1 | $0 | $0 | View return |
| 2021 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2021 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2020 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.41 | $0 | $0 | View return |
| 2020 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.05 | $0 | $0 | View return |
| 2020 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Museum of Contemporary Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2020 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Hss Properties Corporation | 990 | Member | 0.03 | $0 | $0 | View return |
| 2019 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.54 | $0 | $0 | View return |
| 2019 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | $0 | $0 | View return |
| 2019 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Museum of Contemporary Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Museum of Contemporary Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2018 | Hss Properties Corporation | 990 | Member | 0.04 | $0 | $0 | View return |
| 2018 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.07 | $0 | $0 | View return |
| 2018 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.59 | $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 | The Museum of Contemporary Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Hss Properties Corporation | 990 | Member | 0.04 | $0 | $0 | View return |
| 2017 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.07 | $0 | $0 | View return |
| 2017 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.59 | $0 | $0 | View return |
| 2017 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Metropolitan Museum of Art | 990 | Elective Trustee To 9/17 | 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 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.59 | $0 | $0 | View return |
| 2016 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.07 | $0 | $0 | View return |
| 2016 | Hss Properties Corporation | 990 | Member | 0.04 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2016 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2015 | Hss Properties Corporation | 990 | Member | 0.03 | $0 | $0 | View return |
| 2015 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | $0 | $0 | View return |
| 2015 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.54 | $0 | $0 | View return |
| 2015 | Marina Kellen French Tr Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2015 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2014 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.54 | $0 | $0 | View return |
| 2014 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | $0 | $0 | View return |
| 2014 | Hss Properties Corporation | 990 | Member | 0.03 | $0 | $0 | View return |
| 2014 | Marina Kellen French Tr Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Wnet | 990 | Trustee (Through 5/19/15) | 1 | $0 | $0 | View return |
| 2014 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2014 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | $0 | View return |
| 2013 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.46 | $0 | $0 | View return |
| 2013 | Hss Properties Corporation | 990 | Member | 0.03 | - | - | View return |
| 2013 | Marina Kellen French Tr Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | New York Society for the Relief of Ruptured & Crippled Maintaining | 990 | Member | 0.46 | $0 | $0 | View return |
| 2013 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | - | - | View return |
| 2013 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Wnet | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Metropolitan Opera Association Inc. | 990 | Managing Director | 1 | $0 | $0 | View return |
| 2013 | The Metropolitan Museum of Art | 990 | Elective Trustee | 1 | $0 | - | View return |
| 2013 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2011 | Marina Kellen French Tr Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2010 | Marina Kellen French Tr Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |