| 2024 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2015 | American Friends of the Israel Museum | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Alvin Ailey Dance Foundation Inc. | 990 | Trustee (Thru 10/2015) | 5 | $0 | $0 | View return |
| 2014 | American Friends of the Israel Museum | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2014 | Alvin Ailey Dance Foundation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Lindenbaum Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | Guild Hall of East Hampton Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2013 | American Friends of the Israel Museum | 990 | Director | 2 | - | - | View return |
| 2013 | Alvin Ailey Dance Foundation Inc. | 990 | Vice-Chair | 5 | $0 | $0 | View return |