| 2024 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2024 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2023 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Chamber Music Society of Lincoln Center Inc | 990 | Trustee | 3 | $0 | $0 | View return |
| 2023 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Folk Art Museum | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2022 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | American Folk Art Museum | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Chamber Music Society of Lincoln Center Inc | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2021 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The Chamber Music Society of Lincoln Center Inc | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2020 | The Chamber Music Society of Lincoln Center Inc | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2019 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | American Folk Art Museum | 990 | Vice President (Outgoing) | 1 | $0 | $0 | View return |
| 2016 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2016 | The New York Women'S Foundation Inc | 990 | Board Member (Until 6/2016) | 3 | $0 | $0 | View return |
| 2016 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | American Folk Art Museum | 990 | Vice President | 5 | $0 | $0 | View return |
| 2016 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The New York Women'S Foundation Inc | 990 | Board Member | 3 | - | - | View return |
| 2015 | The New York Women'S Foundation Inc | 990 | Board Member | 3 | $0 | $0 | View return |
| 2015 | American Folk Art Museum | 990 | Vice President | 5 | $0 | $0 | View return |
| 2015 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Joyce & Daniel Cowin Foundation | 990PF | President, Chairman | 1 | $0 | $0 | View return |
| 2014 | The New York Women'S Foundation Inc | 990 | Board Member(Started 6/2014) | 3 | $0 | $0 | View return |
| 2014 | American Folk Art Museum | 990 | Vice President | 5 | $0 | $0 | View return |
| 2014 | The Stecher and Horowitz Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | American Folk Art Museum | 990 | Vice President | 5 | $0 | $0 | View return |
| 2013 | Teachers College Columbia University | 990 | Trustee | 1 | $0 | $0 | View return |