| 2023 | The Ahmanson Foundation | 990PF | Trustee/Pres. | 40 | $729,400 | $94,417 | View return |
| 2023 | Petersen Automotive Museum Foundation | 990 | Treasurer/Director | 4 | $0 | $0 | View return |
| 2023 | Brain Mapping Support Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Society of the Friendly Sons of St Patrick of Los Angeles | 990 | 2nd VP | 1 | $0 | $0 | View return |
| 2023 | Center Theatre Group of Los Angeles | 990 | Chairperson (As Of 09/23) | 4 | $0 | $0 | View return |
| 2023 | Museum Associates | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | Shakespeare Center of Los Angeles | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Los Angeles Mounted Police Foundation | 990EZ | Secretary | 16 | $0 | $0 | View return |
| 2022 | The Ahmanson Foundation | 990PF | Trustee/Pres. | 40 | $708,000 | $86,075 | View return |
| 2022 | Society of the Friendly Sons of St Patrick of Los Angeles | 990 | 3rd VP | 1 | $0 | $0 | View return |
| 2022 | Petersen Automotive Museum Foundation | 990 | Treasurer/Director | 4 | $0 | $0 | View return |
| 2022 | Brain Mapping Support Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Center Theatre Group of Los Angeles | 990 | Vice President | 2 | $0 | $0 | View return |
| 2022 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | California Institute of Technology | 990 | Trustee Until 10/2022 | 2 | $0 | $0 | View return |
| 2022 | Museum Associates | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Shakespeare Center of Los Angeles | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | The Ahmanson Foundation | 990PF | Trustee/Pres. | 40 | $672,600 | $80,946 | View return |
| 2021 | Brain Mapping Support Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Petersen Automotive Museum Foundation | 990 | Treasurer/Director | 2 | $0 | $0 | View return |
| 2021 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Center Theatre Group of Los Angeles | 990 | Vice President | 2 | $0 | $0 | View return |
| 2021 | Museum Associates | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | The Ahmanson Foundation | 990PF | Trustee/Pres. | 40 | $657,000 | $76,390 | View return |
| 2020 | Brain Mapping Support Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | National Association of Veteran-Serving Organizations | 990 | Chair | 2 | $0 | $0 | View return |
| 2020 | Petersen Automotive Museum Foundation | 990 | Treasurer/Director | 2 | $0 | $0 | View return |
| 2020 | Museum Associates | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | California Institute of Technology | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2020 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Shakespeare Center of Los Angeles | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Ahmanson Foundation | 990PF | Trustee/Pres. | 40 | $618,000 | $73,517 | View return |
| 2019 | National Association of Veteran-Serving Organizations | 990 | Chair | 2 | $0 | $0 | View return |
| 2019 | Los Angeles Mounted Police Foundation | 990 | Secretary | 0 | $0 | $0 | View return |
| 2019 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2019 | Petersen Automotive Museum Foundation | 990 | Treasurer/Director | 2 | $0 | $0 | View return |
| 2019 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | California Institute of Technology | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Shakespeare Center of Los Angeles | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Petersen Automotive Museum Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | California Institute of Technology | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2017 | Town Hall Los Angeles | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Petersen Automotive Museum Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Los Angeles Mounted Police Foundation | 990 | Secretary | 0 | $0 | $0 | View return |
| 2017 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2017 | California Institute of Technology | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Town Hall Los Angeles | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Petersen Automotive Museum Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2016 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | California Institute of Technology | 990 | Trustee As Of 7/2017 | 1 | $0 | $0 | View return |
| 2016 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Pepperdine University | 990 | Regent | 1 | $0 | $0 | View return |
| 2015 | Town Hall Los Angeles | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | National Association of Veteran-Serving Organizations | 990EZ | Director | 2 | $0 | - | View return |
| 2015 | Performing Arts Center of Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Center Theatre Group of Los Angeles | 990 | Chairman | 4 | $0 | $0 | View return |
| 2015 | Petersen Automotive Museum Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | Museum Associates | 990 | Vice Chair | 0.5 | $0 | $0 | View return |
| 2015 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Pepperdine University | 990 | Regent | 1 | $0 | $0 | View return |
| 2014 | Town Hall Los Angeles | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Loyola Marymount University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Pepperdine University | 990 | Regent | 1 | $0 | $0 | View return |
| 2014 | Center Theatre Group of Los Angeles | 990 | President | 4 | $0 | $0 | View return |
| 2014 | Petersen Automotive Museum Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Museum Associates | 990 | Vice Chair | 0.5 | $0 | $0 | View return |
| 2013 | Southern California Grantmakers | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2013 | Loyola Marymount University | 990 | Trustee | 1 | - | - | View return |
| 2013 | Museum Associates | 990 | Vice Chair | 0.5 | $0 | $0 | View return |
| 2013 | Pepperdine University | 990 | Regent | 1 | $0 | $0 | View return |
| 2013 | Center Theatre Group of Los Angeles | 990 | President | 5 | $0 | $0 | View return |
| 2013 | Marlborough School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Petersen Automotive Museum Foundation | 990 | Director | 2 | $0 | $0 | View return |