| 2025 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2024 | Jewish Community Center of Greater Buffalo Inc. | 990 | Chief Operations Officer | 40 | $125,828 | $0 | View return |
| 2024 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2024 | Brant Beach Sailing Foundation Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | West Houston Aquatic League Inc | 990EZ | President | 3 | $0 | $0 | View return |
| 2024 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | CEO | 2 | $0 | - | View return |
| 2024 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2024 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2023 | Jewish Community Center of Greater Buffalo Inc. | 990 | Chief Operations Officer | 40 | $96,638 | $0 | View return |
| 2023 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | CEO | 2 | $0 | - | View return |
| 2023 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2023 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2023 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2023 | Brant Beach Sailing Foundation Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2022 | Centro Infantil De Los Angeles Inc. | 990EZ | Director | 3 | $0 | $0 | View return |
| 2022 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | CEO | 2 | $0 | - | View return |
| 2022 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2022 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2022 | Brant Beach Sailing Foundation Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2022 | Brant Beach Yacht Club | 990 | Commodore | 3 | $0 | $0 | View return |
| 2022 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | CEO | 2 | $0 | - | View return |
| 2021 | Brant Beach Sailing Foundation Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2021 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2021 | Yeshiva of Los Angeles Girls High School | 990 | Director | 10 | $0 | $0 | View return |
| 2020 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | Chief Executive Officer | 2 | $0 | $0 | View return |
| 2020 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2020 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2020 | Brant Beach Yacht Club | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Yeshiva of Los Angeles Girls High School | 990 | Director | 10 | $0 | $0 | View return |
| 2019 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2019 | Mark and Chaya Horowitz Family Foundation Inc. | 990PF | Chief Executive Officer | 2 | $0 | $0 | View return |
| 2019 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2019 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2019 | Brant Beach Yacht Club | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Yeshiva of Los Angeles Girls High School | 990 | Director | 10 | $0 | $0 | View return |
| 2018 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2018 | Yeshiva of Los Angeles Girls High School | 990 | Director | 10 | $0 | $0 | View return |
| 2018 | The Fire Inside Foundation | 990PF | VP & Treasurer | 5 | $0 | - | View return |
| 2018 | Brant Beach Yacht Club | 990 | Trustee | 3 | $0 | $0 | View return |
| 2018 | The Stecher and Horowitz Foundation | 990 | Board Member (Through 9/18) | 2 | $0 | $0 | View return |
| 2018 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Jewish Community Centers Association of North America | 990 | VP, Director Of Sheva Center | 35 | $180,392 | $0 | View return |
| 2017 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | - | View return |
| 2017 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2017 | The Oliver Scholars Program Inc. | 990 | Trustee (Left In 2017) | 0.5 | $0 | $0 | View return |
| 2017 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Stecher and Horowitz Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Jewish Community Centers Association of North America | 990 | VP, Ece & Family Engagemen | 35 | $174,482 | $0 | View return |
| 2016 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2016 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | - | View return |
| 2016 | The Oliver Scholars Program Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Center for Furniture Craftsmanship | 990 | Vice Preside | 0.6 | $0 | $0 | View return |
| 2016 | Hudson River Community Sailing Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Stecher and Horowitz Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | Jewish Community Centers Association of North America | 990 | VP, Ece & Family Engagement | 35 | $165,044 | $0 | View return |
| 2015 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | - | View return |
| 2015 | Center for Furniture Craftsmanship | 990 | Vice Preside | 0.6 | $0 | $0 | View return |
| 2015 | The Oliver Scholars Program Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2015 | The Stecher and Horowitz Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Jewish Community Centers Association of North America | 990 | VP, Ece & Family Engagemen | 35 | $160,475 | $0 | View return |
| 2014 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | Center for Furniture Craftsmanship | 990 | Vice Preside | 0.75 | $0 | $0 | View return |
| 2014 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | - | View return |
| 2014 | The Oliver Scholars Program Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | The Stecher and Horowitz Foundation | 990 | Board Member | 3 | $0 | $0 | View return |
| 2013 | Jewish Community Centers Association of North America | 990 | VP, Ece & Family Engagement | 35 | $159,225 | $0 | View return |
| 2013 | Center for Furniture Craftsmanship | 990 | Vice President | 1.2 | $0 | $0 | View return |
| 2013 | Bina Stroke and Brain Injury Assistance Inc. | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | Uniterra Foundation Inc | 990EZ | President | 10 | $0 | - | View return |
| 2013 | The Oliver Scholars Program Inc. | 990 | Trustee | 1 | $0 | $0 | View return |