| 2024 | The Great Pond Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Kassel-Backer Fam Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2024 | The Tikvah Fund | 990PF | Trustee | 3 | $0 | $0 | View return |
| 2024 | The Big Table Project Inc | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Jewish Food Society Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2024 | Nextbook Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2024 | American Friends of Start-Up Nation Central Inc | 990 | Chairman/President | 5 | $0 | $0 | View return |
| 2023 | Jewish Food Society Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2023 | American Friends of Start-Up Nation Central Inc | 990 | Chairman/President | 5 | $0 | $0 | View return |
| 2023 | Nextbook Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2023 | Kassel-Backer Fam Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | The Big Table Project Inc | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2022 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice Preside | 5 | $0 | $0 | View return |
| 2022 | Jewish Food Society Inc. | 990 | Board Director | 1 | $0 | $0 | View return |
| 2022 | Nextbook Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2022 | Kassel-Backer Fam Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | The Paul E Singer Foundation | 990PF | B Director/Managing Director | 5 | $0 | $0 | View return |
| 2021 | Kassel-Backer Fam Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Nextbook Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2021 | Jewish Food Society Inc. | 990 | Board Director | 1 | $0 | $0 | View return |
| 2021 | Jewish Funders Network | 990 | Board Member (Through March 2021) | 1 | $0 | $0 | View return |
| 2021 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice Preside | 5 | $0 | $0 | View return |
| 2021 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2020 | Jewish Food Society Inc. | 990 | Board Director | 1 | $0 | $0 | View return |
| 2020 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2020 | Kassel-Backer Fam Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Nextbook Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2020 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice Preside | 5 | $0 | $0 | View return |
| 2020 | Jewish Funders Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2019 | Jewish Food Society Inc. | 990 | Board Director | 1 | $0 | $0 | View return |
| 2019 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2019 | Slough Farm Foundation | 990 | Director/Chairman | 5 | $0 | $0 | View return |
| 2019 | Jewish Funders Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice Preside | 5 | $0 | $0 | View return |
| 2019 | Areivim Philanthropic Group Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2018 | Jewish Funders Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Slough Farm Foundation | 990 | Director/President | 5 | $0 | $0 | View return |
| 2018 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice Preside | 5 | $0 | $0 | View return |
| 2018 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2018 | Areivim Philanthropic Group Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2018 | Areivim Philanthropic Group Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2017 | Jewish Funders Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2017 | Israel on Campus Coalition Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Areivim Philanthropic Group Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | American Friends of Start-Up Nation Central Inc | 990 | Vice Chairman/Vice President | 5 | $0 | $0 | View return |
| 2016 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2016 | Slough Farm Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2016 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2016 | Areivim Philanthropic Group Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Israel on Campus Coalition Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2015 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2015 | Areivim Philanthropic Group Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2015 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2015 | Israel on Campus Coalition Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Shabbat Project Inc | 990 | Co-Chair | 0.5 | $0 | $0 | View return |
| 2014 | Areivim Philanthropic Group Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2014 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |
| 2013 | The Paul E Singer Foundation | 990PF | B Director | 5 | $0 | $0 | View return |