| 2025 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | French American Foundation for the Devel of Relations Btwn Frnc & Us | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Hearst Foundation Inc. | 990PF | Vice President Director | 0 | $0 | - | View return |
| 2024 | William Randolph Hearst Foundation | 990PF | President Director | 0 | $0 | - | View return |
| 2024 | Corporation of the Fine Arts Museums | 990 | Trustee (Thru 05/25) | 1 | $0 | $0 | View return |
| 2024 | Fine Arts Museums Foundation | 990 | VP Of Collections | 1 | $0 | $0 | View return |
| 2024 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Hearst Foundation Inc. | 990PF | Vice President Director | 0 | $0 | - | View return |
| 2023 | French American Foundation for the Devel of Relations Btwn Frnc & Us | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | William Randolph Hearst Foundation | 990PF | President Director | 0 | $0 | - | View return |
| 2023 | Fine Arts Museums Foundation | 990 | VP Of Collections | 1 | $0 | $0 | View return |
| 2023 | American Museum of Natural History | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Corporation of the Fine Arts Museums | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | William Randolph Hearst Foundation | 990PF | President Director | 0 | $0 | - | View return |
| 2022 | Hearst Foundation Inc. | 990PF | Vice President Director | 0 | $0 | - | View return |
| 2022 | French American Foundation for the Devel of Relations Btwn Frnc & Us | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Corporation of the Fine Arts Museums | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Fine Arts Museums Foundation | 990 | VP Of Collections | 1 | $0 | $0 | View return |
| 2022 | American Museum of Natural History | 990 | Trustee-Start 3/15/23 | 1 | $0 | $0 | View return |
| 2021 | The Center for Investigative Reporting Inc | 990 | Director Until - 01/2021 | 2 | $0 | $0 | View return |
| 2021 | Hearst Foundation Inc. | 990PF | Vice President Director | 0 | $0 | - | View return |
| 2021 | William Randolph Hearst Foundation | 990PF | President Director | 0 | $0 | - | View return |
| 2021 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | The Scripps Research Institute | 990 | Director (End 01/22) | 1 | $0 | $0 | View return |
| 2021 | Fine Arts Museums Foundation | 990 | VP Of Collections | 1 | $0 | $0 | View return |
| 2020 | The Center for Investigative Reporting Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | William Randolph Hearst Foundation | 990PF | President Director | 0 | $0 | - | View return |
| 2020 | The San Simeon Fund Inc C/O Mr William R Hearst III | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Hearst Foundation Inc. | 990PF | Vice President Director | 0 | $0 | - | View return |
| 2020 | Fine Arts Museums Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Scripps Research Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Center for Investigative Reporting Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Scripps Research Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Center for Investigative Reporting Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | California Institute for Biomedical Research | 990 | Board Member (Start 3/29/18) | 1 | $0 | $0 | View return |
| 2018 | The Scripps Research Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Center for Investigative Reporting Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | The Center for Investigative Reporting Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Carnegie Institution of Washington | 990 | Trustee, End November 2017 | 1 | $0 | $0 | View return |
| 2017 | The Scripps Research Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Carnegie Institution of Washington | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Scripps Research Institute | 990 | Director (Start 10/18/16) | 1 | $0 | $0 | View return |
| 2015 | Carnegie Institution of Washington | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Carnegie Institution of Washington | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Carnegie Institution of Washington | 990 | Trustee | 1 | $0 | $0 | View return |