| 2024 | Park Foundation Inc. | 990PF | Secretary/Treasurer | 3.94 | $50,000 | $0 | View return |
| 2024 | Public Society Research Center | 990EZ | President | 1 | $0 | $0 | View return |
| 2024 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 2 | $0 | $0 | View return |
| 2024 | Changing Markets Foundation Inc. | 990EZ | Secretary-Treasurer | 3 | $0 | $0 | View return |
| 2024 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2024 | Tioga Fund Inc | 990EZ | Secretary & Treasurer | 1 | $0 | $0 | View return |
| 2023 | Park Foundation Inc. | 990PF | Secretary/Treasurer | 3.83 | $50,000 | $0 | View return |
| 2023 | New York Public Interest Research Group Fund Inc. | 990 | President | 1 | $94 | $0 | View return |
| 2023 | Tioga Fund Inc | 990EZ | Secretary & Treasurer | 1 | $0 | $0 | View return |
| 2023 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 1 | $0 | - | View return |
| 2023 | Changing Markets Foundation Inc. | 990 | Secretary-Treasurer | 2.5 | $0 | $0 | View return |
| 2023 | Public Society Research Center | 990EZ | President | 1 | $0 | $0 | View return |
| 2023 | One Earth Philanthropy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The William B Wiener Jr Foundation | 990 | Treasurer And Assistant Secretary | 2 | $0 | $0 | View return |
| 2023 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | 350Org Action Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Park Foundation Inc. | 990PF | Secretary/Treasurer | 4.26 | $50,000 | $0 | View return |
| 2022 | New York Public Interest Research Group Fund Inc. | 990 | President | 1 | $97 | $0 | View return |
| 2022 | Changing Markets Foundation Inc. | 990 | Secretary-Treasurer | 1.5 | $0 | $0 | View return |
| 2022 | One Earth Philanthropy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Climate Science Awareness and Solutions Inc. | 990 | Secretary And Director | 1 | $0 | $0 | View return |
| 2022 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | Tioga Fund Inc | 990 | Secretary & Treasurer | 1 | $0 | $0 | View return |
| 2022 | The William B Wiener Jr Foundation | 990 | Treasurer And Assistant Secretary | 2 | $0 | $0 | View return |
| 2022 | 350Org Action Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Park Foundation Inc. | 990PF | Secretary/Treasurer | 3.92 | $50,000 | $0 | View return |
| 2021 | New York Public Interest Research Group Fund Inc. | 990 | President | 1 | $86 | $0 | View return |
| 2021 | The William B Wiener Jr Foundation | 990 | Director/Assistant Secretary | 2 | $0 | $0 | View return |
| 2021 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 3 | $0 | $0 | View return |
| 2021 | Changing Markets Foundation Inc. | 990 | Secretary-Treasurer | 1.5 | $0 | $0 | View return |
| 2021 | One Earth Philanthropy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Climate Science Awareness and Solutions Inc. | 990 | Secretary And Director | 1 | $0 | $0 | View return |
| 2021 | Tioga Fund Inc | 990 | Secretary, Treasurer, Director | 1 | $0 | $0 | View return |
| 2021 | Sustainable Markets Foundation | 990 | Director & Gen | 30 | $0 | $0 | View return |
| 2020 | Park Foundation Inc. | 990PF | Secretary/Treasurer | 7.99 | $50,000 | $0 | View return |
| 2020 | New York Public Interest Research Group Fund Inc. | 990 | President | 1 | $86 | $0 | View return |
| 2020 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2020 | One Earth Philanthropy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 1 | $0 | $0 | View return |
| 2020 | The William B Wiener Jr Foundation | 990 | Director/Assistant Secretary | 2 | $0 | $0 | View return |
| 2020 | Sustainable Markets Foundation | 990 | Director & Gen | 30 | $0 | $0 | View return |
| 2020 | 350Org | 990 | Board Of Director Member | 2 | $0 | $0 | View return |
| 2020 | Tioga Fund Inc | 990 | Secy, Trs, Director | 1 | $0 | $0 | View return |
| 2019 | New York Public Interest Research Group Fund Inc. | 990 | President | 1 | $81 | $0 | View return |
| 2019 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | Climate Science Awareness and Solutions Inc. | 990 | Secretary And Director | 1 | $0 | $0 | View return |
| 2019 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 1 | $0 | $0 | View return |
| 2019 | The William B Wiener Jr Foundation | 990 | Director/Assistant Secretary | 2 | $0 | $0 | View return |
| 2019 | Sustainable Markets Foundation | 990 | Director & Gen | 25 | $0 | $0 | View return |
| 2019 | 350Org | 990 | Board Of Director Member | 2 | $0 | $0 | View return |
| 2018 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $80 | $0 | View return |
| 2018 | The William B Wiener Jr Foundation | 990 | Director/Assistant Secretary | 2 | $0 | $0 | View return |
| 2018 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2018 | Changing Markets Foundation Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2018 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 1 | $0 | $0 | View return |
| 2018 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 1 | $0 | $0 | View return |
| 2018 | Water Defense Inc | 990EZ | Board Member | 2 | $0 | - | View return |
| 2018 | Sustainable Markets Foundation | 990 | Director & Gen | 25 | $0 | $0 | View return |
| 2018 | 350Org | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $74 | $0 | View return |
| 2017 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 1 | $0 | $0 | View return |
| 2017 | Climate Science Awareness and Solutions Inc. | 990 | Secretary And Director | 1 | $0 | $0 | View return |
| 2017 | Water Defense Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Changing Markets Foundation Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2017 | 350Org | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Sustainable Markets Foundation | 990 | Director & Gen | 25 | $0 | $0 | View return |
| 2016 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $50 | $0 | View return |
| 2016 | Water Defense Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 1 | $0 | - | View return |
| 2016 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 0.25 | $0 | $0 | View return |
| 2016 | New York State Academy of Trial Lawyers | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2016 | CIVIC Bakery Inc. | 990EZ | Secretary-Treasurer | 1 | $0 | $0 | View return |
| 2016 | Changing Markets Foundation Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2016 | Sustainable Markets Foundation | 990 | Dir&Gen Counsel | 25 | $0 | $0 | View return |
| 2016 | 350Org | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Sustainable Markets Foundation | 990 | Dir&Gen Counsel | 25 | $0 | $0 | View return |
| 2015 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $1 | $0 | View return |
| 2015 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $1 | $0 | View return |
| 2015 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $1 | $0 | View return |
| 2015 | CIVIC Bakery Inc. | 990EZ | Secretary-Treasurer | 1 | $0 | $0 | View return |
| 2015 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 0.25 | $0 | $0 | View return |
| 2015 | Climate Science Awareness and Solutions Inc. | 990EZ | Secretary And Director | 1 | $0 | $0 | View return |
| 2015 | Water Defense Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | 350Org | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Sustainable Markets Foundation | 990 | Dir&Gen Counsel | 25 | $0 | $0 | View return |
| 2014 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $90 | $0 | View return |
| 2014 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $90 | $0 | View return |
| 2014 | Tioga Fund Inc | 990 | Sec'Y, Treas. | 0.25 | $0 | $0 | View return |
| 2014 | Sustainable Markets Foundation | 990 | Dir&Gen Counsel | 25 | $0 | $0 | View return |
| 2014 | 350Org | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2013 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $40,040 | $0 | View return |
| 2013 | New York Public Interest Research Group Fund Inc. | 990 | President | 25 | $40,040 | $0 | View return |
| 2013 | 350Org | 990 | Treasurer | 3 | $0 | $0 | View return |