| 2024 | For Inspiration and Recognition of Science and Technology First | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | The Broad | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2024 | United Methodist Renewal | 990 | Board Member | - | $0 | $0 | View return |
| 2024 | Deka Foundation | 990PF | Director | 0.2 | $0 | - | View return |
| 2023 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | $0 | View return |
| 2023 | For Inspiration and Recognition of Science and Technology First | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | $0 | View return |
| 2023 | The Broad | 990PF | Chairman, Director | 5 | $0 | $0 | View return |
| 2023 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Deka Foundation | 990PF | Director | 0.2 | $0 | - | View return |
| 2022 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | $0 | View return |
| 2022 | The Broad | 990PF | Chairman, Director | 5 | $0 | $0 | View return |
| 2022 | For Inspiration and Recognition of Science and Technology First | 990 | Board Member (Started 4/21/23) | 1 | $0 | $0 | View return |
| 2022 | Deka Foundation | 990PF | Director | 0.2 | $0 | - | View return |
| 2022 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Freedom House Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | $0 | View return |
| 2021 | See Science Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Freedom House Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Arlington Childrens Chorus | 990EZ | Secretary And Director | 3 | $0 | $0 | View return |
| 2021 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Deka Foundation | 990PF | Director | 0.2 | $0 | - | View return |
| 2020 | See Science Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | For Inspiration and Recognition of Science and Technology First | 990 | Past Co-Chair (Termed 5/11/21) | 12 | $0 | $0 | View return |
| 2020 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2020 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Freedom House Inc. | 990 | Trustee, Beg 10/23/20 | 1 | $0 | $0 | View return |
| 2020 | Deka Foundation | 990PF | Director | 0.2 | $0 | - | View return |
| 2020 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair | 12 | $0 | $0 | View return |
| 2019 | Pima County Automobile Dealers | 990 | Director | 0.2 | $0 | $0 | View return |
| 2019 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2019 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | See Science Center Inc. | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2019 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2018 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | See Science Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair | 12 | $0 | $0 | View return |
| 2018 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Pima County Automobile Dealers | 990 | Director | 0.2 | $0 | $0 | View return |
| 2018 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | See Science Center Inc. | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2017 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2017 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair | 12 | $0 | $0 | View return |
| 2017 | Pacific Council on International Policy | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Pima County Automobile Dealers | 990 | Director | 0.2 | $0 | $0 | View return |
| 2017 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Pima County Automobile Dealers | 990 | Director | 0.2 | $0 | $0 | View return |
| 2016 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair & Treasurer | 12 | $0 | $0 | View return |
| 2016 | Pacific Council on International Policy | 990 | Co-Chair | 1 | $0 | $0 | View return |
| 2016 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2016 | See Science Center Inc. | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2016 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Pacific Council on International Policy | 990 | Co-Chair | 1 | $0 | $0 | View return |
| 2015 | See Science Center Inc. | 990 | Vice-Chairperson | 2 | $0 | $0 | View return |
| 2015 | The Broad | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2015 | Pima County Automobile Dealers | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Pacific Council on International Policy | 990 | Co-Chair | 1 | $0 | $0 | View return |
| 2014 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2014 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair & Treasurer | 12 | $0 | $0 | View return |
| 2014 | See Science Center Inc. | 990 | Vice-Chairperson | 2 | $0 | $0 | View return |
| 2014 | The Churchill Centre | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | For Inspiration and Recognition of Science and Technology First | 990 | Co-Chair & Treasurer | 12 | $0 | $0 | View return |
| 2013 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2013 | See Science Center Inc. | 990 | Vice-Chairperson | 2 | $0 | $0 | View return |
| 2013 | The Ronald Reagan Presidential | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |
| 2011 | Hummer Tuttle Foundation | 990PF | Secretary | 0.75 | $0 | - | View return |