| 2024 | Mann Charitable Foundation | 990 | Chairperson & Director | 0 | $0 | $0 | View return |
| 2024 | Mann Medical Research Organization | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | Walter W Naumburg Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2024 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $36,000 | $0 | View return |
| 2023 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2023 | Mann Charitable Foundation | 990 | Chairperson & Director | 0 | $0 | $0 | View return |
| 2023 | Mann Medical Research Organization | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $30,000 | $0 | View return |
| 2022 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2022 | Mann Medical Research Organization | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Mann Charitable Foundation | 990 | Chairperson & Director | 0 | $0 | $0 | View return |
| 2022 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director | 0.25 | $0 | $0 | View return |
| 2022 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | - | View return |
| 2022 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Mann Charitable Foundation | 990 | Chairperson & Director | 0 | $0 | $0 | View return |
| 2021 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2021 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2020 | Mann Charitable Foundation | 990 | Chairperson & Director | 0 | $0 | $0 | View return |
| 2020 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director | 0.25 | $0 | $0 | View return |
| 2020 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director | 0.25 | $0 | $0 | View return |
| 2019 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2019 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Alfred E Mann Institute for Biomedical Engineering at the Usc | 990 | Director (As Of 12/11/17) | 0.25 | $0 | $0 | View return |
| 2018 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2018 | Alfred E Mann Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Alfred E Mann Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2017 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Walter W Naumburg Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Mann Diversified Charitable Fund Inc | 990 | President | - | $0 | $0 | View return |
| 2016 | Alfred E Mann Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | Mann Medical Research Organization | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice President & Chairperson | 0 | $0 | $0 | View return |
| 2016 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Mann Medical Research Organization | 990 | Director | 0.3 | $0 | $0 | View return |
| 2015 | Alfred E Mann Family Foundation | 990PF | Director | 0 | $0 | - | View return |
| 2015 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Vice Pres/Chairperson/Director | 0 | $0 | $0 | View return |
| 2014 | Alfred E Mann Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Mann Medical Research Organization | 990 | Director | 0.3 | - | - | View return |
| 2014 | Manhattan School of Music | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Mann Medical Research Organization | 990 | Director | 0.3 | - | - | View return |
| 2013 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Alfred E Mann Family Foundation | 990PF | Director | 0 | $0 | - | View return |
| 2013 | Los Angeles Opera Company | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Manhattan School of Music | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2012 | Alfred E Mann Foundation for Biomedical Engineering a Delaware | 990PF | Director | 0 | $0 | $0 | View return |