| 2024 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Road Runners Club of America Inc | 990EZ | President | 5 | $0 | $0 | View return |
| 2024 | Fairfield Volunteer Fire Department | 990EZ | Vice Preside | 2 | $0 | - | View return |
| 2024 | De Toledo High School | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | De Toledo High School | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | De Toledo High School | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | De Toledo High School | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | University of Southern California Hillel | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | De Toledo High School | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | University of Southern California Hillel | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Michael & Leah Weisberg Family | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | University of Southern California Hillel | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Meteoritical Society | 990 | Secretary (Through 12/31/18) | 5 | $0 | $0 | View return |
| 2018 | University of Southern California Hillel | 990 | Co-Chair | 2 | $0 | $0 | View return |
| 2018 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Los Encinos School | 990 | President | 1 | $0 | $0 | View return |
| 2018 | The Meteoritical Society | 990 | Secretary (Through 12/31/18) | 5 | $0 | $0 | View return |
| 2017 | University of Southern California Hillel | 990 | Co-Chair, Usc Jewish Alumni | 2 | $0 | $0 | View return |
| 2017 | Los Encinos School | 990 | President | 1 | $0 | $0 | View return |
| 2017 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Meteoritical Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Meteoritical Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | University of Southern California Hillel | 990 | Co-Chair, Usc Jewish Alumni | 2 | $0 | $0 | View return |
| 2016 | The Meteoritical Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2016 | Los Encinos School | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | University of Southern California Hillel | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Meteoritical Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2015 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | University of Southern California Hillel | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Number One Single Room Occupancy Hdfc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | United Services Housing Development | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | Ready Willing & Able Philadelphia Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | Los Encinos School | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2014 | The Meteoritical Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2014 | Gates Avenue Hdfc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Back Office of New York Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Porter Avenue Housing Development C/O the Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Ready Willing and Able Inc C/O the Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | A Better Place Hdfc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | Webster Green Housing Development Fund Corp C/O the Doe Fund Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | The Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Back Office of New York Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Number One Single Room Occupancy Hdfc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2013 | Ready Willing and Able Inc C/O the Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Los Encinos School | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | Porter Avenue Housing Development C/O the Doe Fund Inc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | A Better Place Hdfc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2013 | Gates Avenue Hdfc | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | The Doe Fund Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2013 | Webster Green Housing Development Fund Corp C/O the Doe Fund Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2013 | Abraham Joshua Heschel Day School | 990 | Director | 1 | $0 | $0 | View return |