| 2024 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2023 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2022 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2021 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2020 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2019 | Friends of Venice Italy Inc | 990EZ | Vice President/Director | 1 | $0 | $0 | View return |
| 2019 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2019 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Carnegie Hall Corporation | 990 | Trustee (Until 11/23/19) | 1 | $0 | $0 | View return |
| 2018 | Friends of Venice Italy Inc | 990EZ | Vice President/Director | 1 | $0 | $0 | View return |
| 2018 | Mario Negri Institute Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2018 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Carnegie Hall Corporation | 990 | Trustee (As Of 10/4/18) | 1 | $0 | $0 | View return |
| 2017 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Mario Negri Institute Foundation | 990PF | President & | 0.5 | $0 | $0 | View return |
| 2017 | Friends of Venice Italy Inc | 990EZ | Vice President/Director | 1 | $0 | $0 | View return |
| 2016 | Friends of Venice Italy Inc | 990EZ | Vice President/Director | 1 | $0 | $0 | View return |
| 2016 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Friends of Venice Italy Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2014 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Berti Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2013 | Byrd Hoffman Water MILL Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | American Friends of the Salzburg | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Friends of Fai - the Italian Environment Foundation Inc | 990 | Vice-President | 8 | $0 | $0 | View return |