| 2025 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2024 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2024 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2024 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2024 | Horace Mann School | 990 | Vice-Chair | 8 | $0 | $0 | View return |
| 2024 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2023 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2023 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2023 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2023 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2023 | Horace Mann School | 990 | Secretary | 8 | $0 | $0 | View return |
| 2022 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2022 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2022 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2022 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2021 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2021 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2021 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2021 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2020 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2020 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2020 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2019 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2019 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2019 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2019 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2019 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2018 | Hpc Incorporated | 990PF | President/Director | 0.25 | $0 | $0 | View return |
| 2018 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2018 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2018 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2018 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2017 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2017 | Bayshore Benefit Corporation Co Donna Gorsky | 990 | Director & Officer | 1 | $0 | $0 | View return |
| 2017 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2017 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2017 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2017 | The Young Mens and Young Womens Hebrew Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | Morton and Carole Olshan Foundation | 990PF | VP/Secretary | 1 | $0 | $0 | View return |
| 2016 | The Young Mens and Young Womens Hebrew Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2016 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2015 | Hpc Incorporated | 990EZ | President/Director | 0.25 | $0 | $0 | View return |
| 2015 | Morton and Carole Olshan Foundation | 990PF | VP/ Secretary | 1 | $0 | $0 | View return |
| 2015 | The Young Mens and Young Womens Hebrew Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 5 | $0 | $0 | View return |
| 2015 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2014 | Hpc Incorporated | 990EZ | President/Director | 0.25 | $0 | $0 | View return |
| 2014 | The Young Mens and Young Womens Hebrew Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2014 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |
| 2013 | Hpc Incorporated | 990EZ | President/Director | 0.25 | $0 | $0 | View return |
| 2013 | Hasty Pudding Club the Institute of 1770 | 990 | President/Director | 10 | $0 | $0 | View return |
| 2013 | Horace Mann School | 990 | Trustee | 8 | $0 | $0 | View return |