| 2025 | Friends of the Bbt | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2024 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer (Thru 10/24) | 40 | $767,029 | $78,063 | View return |
| 2024 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2024 | Friends of the Bbt | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2024 | Castro Valley Educational Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2024 | Homefirst Services of Santa Clara County Formerly Emergency Housing Consortium | 990 | Treasurer/Finance Committee | 2 | $0 | $0 | View return |
| 2023 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $447,666 | $95,923 | View return |
| 2023 | Friends of the Bbt | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2023 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | Foundation Financial Officers Group Inc. | 990 | Director/Trustee Through 10/20/23 | 1 | $0 | $0 | View return |
| 2023 | Homefirst Services of Santa Clara County Formerly Emergency Housing Consortium | 990 | Treasurer/Finance Committee | 2 | $0 | $0 | View return |
| 2023 | Castro Valley Educational Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2022 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $590,735 | $85,996 | View return |
| 2022 | Friends of the Bbt | 990EZ | Treasurer | 6 | $0 | $0 | View return |
| 2022 | Foundation Financial Officers Group Inc. | 990 | Director/Trustee | 1 | $0 | $0 | View return |
| 2022 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | Castro Valley Educational Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2022 | Homefirst Services of Santa Clara County Formerly Emergency Housing Consortium | 990 | Treasurer/Finance Committe | 2 | $0 | $0 | View return |
| 2021 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $388,333 | $82,411 | View return |
| 2021 | Friends of the Bbt | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2021 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Foundation Financial Officers Group Inc. | 990 | Director/Trustee | 1 | $0 | $0 | View return |
| 2021 | Homefirst Services of Santa Clara County Formerly Emergency Housing Consortium | 990 | Treasurer/Finance Committee Chair | 2 | $0 | $0 | View return |
| 2021 | Castro Valley Educational Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2020 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $369,457 | $76,878 | View return |
| 2020 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2020 | Castro Valley Educational Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Homefirst Services of Santa Clara County Formerly Emergency Housing Consortium | 990 | Treasurer/Finance Committee Chair | 2 | $0 | $0 | View return |
| 2019 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $352,825 | $75,947 | View return |
| 2019 | Public Library of Science | 990 | Board Member | 5 | $0 | $0 | View return |
| 2019 | Castro Valley Educational Foundation | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer | 40 | $346,616 | $48,675 | View return |
| 2018 | Public Library of Science | 990 | Board Member (Start 11/18) | 5 | $0 | $0 | View return |
| 2018 | Castro Valley Educational Foundation | 990 | Vice President | 2 | $0 | $0 | View return |
| 2017 | The William & Flora Hewlett Foundation | 990PF | CFO & Treasurer (As Of 11/17) | 40 | $59,109 | $3,726 | View return |
| 2017 | PTA California Congress of Parents 4755 Castro Valley High Ptsa | 990EZ | Board Member | 10 | $0 | - | View return |
| 2017 | PTA California Congress of Parents 4755 Castro Valley High Ptsa | 990EZ | Board Member | 10 | $0 | - | View return |
