| 2024 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 10 | $16,000 | $0 | View return |
| 2024 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2023 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 10 | $16,000 | $0 | View return |
| 2023 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2023 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2023 | Bank Street College of Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 10 | $16,000 | $0 | View return |
| 2022 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2022 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2022 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 5 | $16,000 | $0 | View return |
| 2021 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2021 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Bank Street College of Education | 990 | Trustee (Start 06/2/22) | 1 | $0 | $0 | View return |
| 2021 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2020 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 5 | $16,000 | $0 | View return |
| 2020 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2020 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 5 | $13,333 | $0 | View return |
| 2019 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2019 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 5 | $12,000 | $0 | View return |
| 2018 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2018 | American Museum of Natural History | 990 | Trustee - Start 10/3/18 | 1 | $0 | $0 | View return |
| 2018 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | Anna-Maria and Stephen Kellen Foundation | 990PF | Director | 5 | $12,000 | $0 | View return |
| 2017 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2017 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2016 | Denise and Michael Kellen Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
