| 2024 | Society for Science and the Public | 990 | Chair (From 10/24) | 3 | $0 | $0 | View return |
| 2024 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2023 | California Institute of Technology | 990 | President & Trustee | 40 | $1,792,256 | $0 | View return |
| 2023 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2023 | Society for Science and the Public | 990 | At Large - Until 11/2023, Vice Chair | 3 | $0 | $0 | View return |
| 2023 | Southern California Intercollegiate Athletic Conference | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | California Institute of Technology | 990 | President And Trustee | 40 | $2,218,734 | $0 | View return |
| 2022 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2022 | Society for Science and the Public | 990 | At Large | 3 | $0 | $0 | View return |
| 2022 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | Southern California Intercollegiate Athletic Conference | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2021 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Southern California Intercollegiate Athletic Conference | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | California Institute of Technology | 990 | President/Trustee | 40 | $1,394,670 | $0 | View return |
| 2020 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2020 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | California Institute of Technology | 990 | President/Trustee | 40 | $1,265,232 | $0 | View return |
| 2019 | Society for Science and the Public | 990 | Trustee (As Of Oct 19) | 3 | $0 | $0 | View return |
| 2019 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2018 | California Institute of Technology | 990 | President/Trustee | 40 | $1,100,328 | $0 | View return |
| 2018 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2018 | Southern California Intercollegiate Athletic Conference | 990 | Board Member | 4 | $0 | $0 | View return |
| 2018 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | California Institute of Technology | 990 | President/Trustee | 40 | $1,030,396 | $0 | View return |
| 2017 | Los Angeles Organizing Committee for the Olympic and Paralympic Gam | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2017 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Southern California Intercollegiate Athletic Conference | 990 | Board Member | 4 | $0 | $0 | View return |
| 2016 | California Institute of Technology | 990 | President/Trustee | 40 | $974,350 | $0 | View return |
| 2016 | Los Angeles Organizing Committee for the Olympic and Paralympic Gam | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2016 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | California Institute of Technology | 990 | President/Trustee | 40 | $931,744 | $0 | View return |
| 2015 | The Kavli Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2015 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | California Institute of Technology | 990 | Pres/Trustee | 40 | $453,624 | $0 | View return |
| 2014 | University of Chicago | 990 | Provost | 40 | $331,675 | $0 | View return |
| 2014 | The University of Chicago Charter School Corporation | 990 | President (Former) | 5 | $0 | $331,675 | View return |
| 2014 | Los Angeles World Affairs Council and Town Hall | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | University of Chicago | 990 | Provost | 40 | $678,123 | $0 | View return |
| 2013 | National Opinion Research Center | 990 | Trustee | 1 | $0 | $678,123 | View return |
| 2013 | University of Chicago Medical Center | 990 | Trustee (Ex Officio), Uc Prvst | 1 | $0 | $678,123 | View return |
| 2013 | The University of Chicago Charter School Corporation | 990 | President - Corporate Board | 5 | $0 | $678,123 | View return |
| 2013 | California Institute of Technology | 990 | Pres/Trustee (Since 7/1/14) | 40 | - | - | View return |