| 2025 | Intelligent Justice | 990EZ | President/Director | 20 | $0 | $0 | View return |
| 2024 | Four Corners Office for Resource Efficiency | 990 | Member At Large | 0.75 | $0 | $0 | View return |
| 2024 | Working on Fire Training Academy | 990EZ | CFO | 1 | $0 | - | View return |
| 2024 | Proteia Inc | 990EZ | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2024 | Care for Wild | 990 | CFO | 1.5 | $0 | $0 | View return |
| 2024 | Simi Sunset Rotary Foundation | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Intelligent Justice | 990EZ | President/Director | 20 | $0 | $0 | View return |
| 2024 | Rotary Club of Simi Sunset | 990EZ | Director | 3 | $0 | - | View return |
| 2024 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | Treas. & Director | 1 | $0 | $0 | View return |
| 2024 | Pennsylvania Dental Association | 990 | President Through April 2024 | 2 | $0 | $0 | View return |
| 2023 | Mountain Top Telecom Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Proteia Inc | 990EZ | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2023 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2023 | Care for Wild | 990 | CFO | 1.5 | $0 | $0 | View return |
| 2023 | Simi Sunset Rotary Foundation | 990EZ | Director | 2 | $0 | - | View return |
| 2023 | Four Corners Office for Resource Efficiency | 990 | Member At Large | 0.75 | $0 | $0 | View return |
| 2023 | Care for Wild | 990 | CFO | 1.5 | $0 | $0 | View return |
| 2023 | Rotary Club of Simi Sunset | 990EZ | Director | 3 | $0 | - | View return |
| 2023 | Intelligent Justice | 990EZ | President/Director | 20 | $0 | $0 | View return |
| 2023 | Commonwealth Dental Care Initiative | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | Working on Fire Training Academy | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | American Dairy Goat Association | 990 | Director | 3 | $0 | $0 | View return |
| 2023 | The Storm King School | 990 | Third Vice Chair | 2 | $0 | $0 | View return |
| 2023 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | Treas. & Director | 1 | $0 | $0 | View return |
| 2022 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | Treas. & Director | 0 | $0 | $0 | View return |
| 2022 | American Friends of Netiv Aryeh Inc. | 990EZ | President | 10 | $0 | - | View return |
| 2022 | Working on Fire Training Academy | 990EZ | CFO | 1 | $0 | - | View return |
| 2022 | Simi Sunset Rotary Foundation | 990EZ | Director | 2 | $0 | - | View return |
| 2022 | Intelligent Justice | 990EZ | President/Treasurer | 0 | $0 | $0 | View return |
| 2022 | Simi Sunset Rotary Foundation | 990EZ | Director | 2 | $0 | - | View return |
| 2022 | Rotary Club of Simi Sunset | 990EZ | Director | 3 | $0 | - | View return |
| 2022 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2022 | Crawford Memorial Trust | 990PF | Trustee | 20 | $0 | - | View return |
| 2022 | Proteia Inc | 990EZ | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2022 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Care for Wild | 990 | CFO | 1.5 | $0 | $0 | View return |
| 2022 | Mountain Top Telecom Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Commonwealth Dental Care Initiative | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | The Storm King School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Crawford Memorial Trust | 990PF | Trustee | 20 | $22,500 | - | View return |
| 2021 | Proteia Inc | 990EZ | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2021 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Rotary Club of Simi Sunset | 990EZ | Director | 3 | $0 | - | View return |
| 2021 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | Treas. & Director | 0 | $0 | $0 | View return |
| 2021 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2021 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | American Dairy Goat Association | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | Crawford Memorial Trust | 990PF | Trustee | 13.5 | $20,000 | $0 | View return |
| 2020 | Greater Boston Elfun Association | 990EZ | Vice President Operations | 2 | $0 | $0 | View return |
| 2020 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2020 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | Treas. & Director | 0 | $0 | $0 | View return |
| 2020 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Quaker Earthcare Witness | 990EZ | Alternate Clerk | 2 | $0 | - | View return |
| 2020 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | American Dairy Goat Association | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | New York City AIDS Memorial Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | American Dairy Goat Association | 990 | Director | 3 | $0 | $0 | View return |
| 2019 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P.. Treas. | 0 | $0 | $0 | View return |
| 2019 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2019 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Rotary International District 5240 | 990 | Direct At Large | 3 | $0 | $0 | View return |
| 2019 | Saint Francis Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Rotary District 5240 Charitable Foundation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2018 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P.. Treas. | 0 | $0 | $0 | View return |
| 2018 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2018 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Wellfleet Harbor Actors Theater Inc | 990 | Director | 5 | $0 | $0 | View return |
| 2018 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Rotary International District 5240 | 990 | Member At Large | 3 | $0 | $0 | View return |
| 2017 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P.. Treas. | 0 | $0 | $0 | View return |
| 2017 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2017 | Wellfleet Harbor Actors Theater Inc | 990 | Director | 10 | $0 | $0 | View return |
| 2017 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2017 | Comedy Cures Foundation Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Holocaust Museum & Education Center of Swfl | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Wellfleet Harbor Actors Theater Inc | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2016 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2016 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P.. Treas. | 0 | $0 | $0 | View return |
| 2016 | Holocaust Museum & Education Center of Swfl | 990 | Director | 1.4 | $0 | $0 | View return |
| 2016 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Comedy Cures Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | Quaker Earthcare Witness | 990EZ | Alternate Clerk | 2 | $0 | - | View return |
| 2015 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2015 | Comedy Cures Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Wellfleet Harbor Actors Theater Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2015 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P.. Treas. | 0 | $0 | $0 | View return |
| 2015 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P., Treas. & Director | 0 | $0 | $0 | View return |
| 2014 | Lesbian and Gay Law Association Foundation of Greater New York | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2014 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2014 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Wellfleet Harbor Actors Theater Inc | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2014 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2014 | New York City AIDS Memorial Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Holocaust Museum & Education Center of Swfl | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | American Friends of Netiv Aryeh Inc. | 990 | President | 10 | $0 | $0 | View return |
| 2013 | Richard a Grossman Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2013 | Durango Nature Studies | 990 | Emeritus | 5 | $0 | $0 | View return |
| 2013 | Wellfleet Harbor Actors Theater Inc | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2013 | Holocaust Museum & Education Center of Swfl | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P., Treas. & Director | 0 | $0 | $0 | View return |
| 2012 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P., Treas. & Director | 0 | $0 | $0 | View return |
| 2012 | Max Kagan Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | Peter a & Elizabeth S Cohn Fdn Foundation Inc | 990PF | V.P., Treas. & Director | 0 | $0 | $0 | View return |