| 2024 | Claremont Graduate University | 990 | Trustee, Chair, Advancement | 1 | $0 | $0 | View return |
| 2024 | Mark Chapin Johnson Foundation | 990PF | President & | 0 | $0 | $0 | View return |
| 2024 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2024 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Mark Chapin Johnson Foundation | 990PF | President & | 2 | $0 | $0 | View return |
| 2023 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2023 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | $0 | View return |
| 2022 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2022 | Claremont Graduate University | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | $0 | View return |
| 2021 | Claremont Graduate University | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2021 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | $0 | View return |
| 2020 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Claremont Graduate University | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2019 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2019 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Claremont Graduate University | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2018 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2018 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2018 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2017 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Boys Hope Girls Hope of California Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2017 | Boys Hope Girls Hope (Affiliates) | 990 | Director-So California | 1 | $0 | $0 | View return |
| 2016 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2016 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Boys Hope Girls Hope (Affiliates) | 990 | Director-So California | 1 | $0 | $0 | View return |
| 2015 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2015 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Boys Hope Girls Hope (Affiliates) | 990 | Director-So California | 1 | $0 | $0 | View return |
| 2015 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2014 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Boys Hope Girls Hope (Affiliates) | 990 | Director-So California | 1 | $0 | $0 | View return |
| 2013 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2013 | Chapman University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |
| 2010 | Mark Chapin Johnson Foundation | 990PF | President & CEO | 2 | $0 | - | View return |