| 2023 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2021 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2020 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | Center for Venture Education | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Center for Venture Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Center for Venture Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Center for Venture Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2016 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Center for Venture Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | The Wistar Institute of Anatomy And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Center for Venture Education | 990 | Chairman | 1 | $0 | $0 | View return |
| 2014 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | The Wistar Institute of Anatomy And | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Center for Venture Education | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Theater & Arts Foundation of San Diego | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | The Wistar Institute of Anatomy And | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Wistar Institute of Anatomy And | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Center for Venture Education | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2012 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | The Brian H and Elizabeth Hartzell | 990PF | Trustee | 1 | $0 | $0 | View return |