| 2022 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2022 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | Teatro Nuovo Inc. | 990 | Exec Bd Member | 1 | $0 | $0 | View return |
| 2022 | The New York Historical Society | 990 | Trustee (End 2/2023) | 1 | $0 | $0 | View return |
| 2021 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | Teatro Nuovo Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | Teatro Nuovo Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2016 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2016 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2015 | The Hastings Center Inc | 990 | Director (Until 3/15) | 1 | $0 | $0 | View return |
| 2015 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2015 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 1 | $0 | - | View return |
| 2015 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2015 | The Hastings Center Inc | 990 | Director (Until 3/15) | 1 | $0 | $0 | View return |
| 2015 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2014 | The Hastings Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 1 | $0 | - | View return |
| 2014 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2014 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Hastings Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Hastings Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2013 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2013 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2013 | The New York Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2012 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2012 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2011 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2011 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2011 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2010 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | - | View return |
| 2010 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2010 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | - | View return |
| 2009 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |