| 2024 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2024 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2024 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2024 | Kansas City Baroque Consortium | 990EZ | Board President | 4 | $0 | $0 | View return |
| 2024 | American Association of Museums | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2023 | New York Landmarks Conservancy Inc | 990 | Director, Sacred Sites | 40 | $118,889 | $0 | View return |
| 2023 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2023 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2023 | American Association of Museums | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The Museum of Language Arts Inc | 990 | Chair And CEO | 55 | $0 | $0 | View return |
| 2023 | Kansas City Baroque Consortium | 990EZ | Treasurer | 5 | $0 | $0 | View return |
| 2023 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2023 | Kansas City Baroque Consortium | 990EZ | Treasurer | 5 | $0 | $0 | View return |
| 2023 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2023 | The Seed Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Downtowndc Foundation | 990 | Board Of Directors Member | 1 | $0 | $0 | View return |
| 2022 | New York Landmarks Conservancy Inc | 990 | Director, Sacred Sites | 40 | $106,007 | $0 | View return |
| 2022 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2022 | Kansas City Baroque Consortium | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2022 | The Museum of Language Arts Inc | 990 | Chair And CEO | 55 | $0 | $0 | View return |
| 2022 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2022 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2022 | American Association of Museums | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Music Associates of Aspen Inc | 990 | Trustee/Vice Chair | 0 | $0 | $0 | View return |
| 2022 | Downtowndc Foundation | 990 | Board Of Directors Member | 1 | $0 | $0 | View return |
| 2022 | Orion Academy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | The Seed Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | New York Landmarks Conservancy Inc | 990 | Director, Sacred Sites | 40 | $100,379 | $0 | View return |
| 2021 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2021 | American Association of Museums | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Aspen Institute Inc | 990 | Trustee - Until 01/2021 | 1 | $0 | $0 | View return |
| 2021 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2021 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2021 | The Museum of Language Arts Inc | 990 | Chair And CEO | 55 | $0 | $0 | View return |
| 2021 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2021 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2021 | Orion Academy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Music Associates of Aspen Inc | 990 | Trustee/Vice Chair | 0 | $0 | $0 | View return |
| 2021 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2020 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2020 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2020 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2020 | The Museum of Language Arts Inc | 990 | Chair And CEO | 55 | $0 | $0 | View return |
| 2020 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2020 | The Aspen Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Downtowndc Foundation | 990 | Board Of Directors Member | 1 | $0 | $0 | View return |
| 2020 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2020 | Music Associates of Aspen Inc | 990 | Trustee/Vice Chair | 0 | $0 | $0 | View return |
| 2020 | Orion Academy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | The Contemporary Club of Ho Ho Kus | 990EZ | Trusteeprograms | 1 | $0 | $0 | View return |
| 2019 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2019 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2019 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2019 | Natalie Friedman Winston Family | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2019 | Om Family Foundation | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2019 | The Museum of Language Arts Inc | 990 | Chair And CEO | 60 | $0 | $0 | View return |
| 2019 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2019 | Music Associates of Aspen Inc | 990 | Trustee/Vice Chair | 0 | $0 | $0 | View return |
| 2019 | Orion Academy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | The Museum of Language Arts Inc | 990 | Chair And CEO | 60 | $0 | $0 | View return |
| 2018 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2018 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2018 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2018 | Music Associates of Aspen Inc | 990 | Trustee/Vice Chair | 1 | $0 | $0 | View return |
| 2018 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2018 | Conservation International Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2017 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2017 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2017 | The Museum of Language Arts Inc | 990 | President And CEO | 40 | $0 | $0 | View return |
| 2017 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2017 | Conservation International Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2016 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2016 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2016 | Conservation International Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Seed Foundation | 990 | Co-Vice Chair | 2 | $0 | $0 | View return |
| 2015 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2015 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2015 | Conservation International Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Seed Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Music Associates of Aspen Inc | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2014 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2014 | Matthew & Carolyn Bucksbaum Family Found | 990PF | Vice President/Director | 1 | $0 | $0 | View return |
| 2014 | The Seed Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Conservation International Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Music Associates of Aspen Inc | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | The Aspen Institute Inc | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2013 | The Seed Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Music Associates of Aspen Inc | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | Greater Washington Educational | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Conservation International Foundation | 990 | Board Member | 0 | $0 | $0 | View return |
| 2012 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2011 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2010 | Ann B & Thomas L Friedman Family Found | 990PF | President/Director | 1 | $0 | $0 | View return |