| 2025 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2023 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2023 | The Hamlin School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2022 | The Hamlin School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2021 | The Hamlin School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2020 | Robert Mammano Frezza Memorial Scholarship Fund | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Hamlin School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2019 | San Francisco Symphony | 990 | Member, Board Of Governors | 3 | $0 | $0 | View return |
| 2018 | San Francisco Symphony | 990 | Member, Board Of Governors | 1 | $0 | $0 | View return |
| 2017 | San Francisco Symphony | 990 | Member, Board Of Governors | 1 | $0 | $0 | View return |
| 2016 | San Francisco Symphony | 990 | Member, Board Of Governors | 1 | $0 | $0 | View return |
| 2015 | San Francisco Symphony | 990 | Member, Board Of Governors | 1 | $0 | $0 | View return |
| 2014 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.4 | $0 | $0 | View return |
| 2013 | San Francisco Symphony | 990 | Member, Board Of Governors | 1.4 | $0 | $0 | View return |