| 2025 | Icivics Inc. | 990 | Chair | 3 | $0 | $0 | View return |
| 2024 | The William & Flora Hewlett Foundation | 990PF | President (Thru 01/24) | 40 | $226,435 | $14,699 | View return |
| 2024 | Boston Post Adoption Resources Inc. | 990 | Chief Financial Officer | 5 | $28,900 | $0 | View return |
| 2024 | Icivics Inc. | 990 | Chair | 10 | $0 | $0 | View return |
| 2024 | Zachor for Holocaust Remembrance Foundation | 990 | Trustee | 0 | $0 | $0 | View return |
| 2024 | Dreamcatchers Empowerment Network | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $1,058,716 | $109,115 | View return |
| 2023 | Icivics Inc. | 990 | Chair | 10 | $0 | $0 | View return |
| 2023 | Dreamcatchers Empowerment Network | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Climate Lead Inc. | 990 | Secretary (Thru 12/23) | 0.5 | $0 | $0 | View return |
| 2023 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2023 | Boston Post Adoption Resources Inc. | 990 | Chief Financial Officer | 5 | $0 | $0 | View return |
| 2023 | Zachor for Holocaust Remembrance Foundation | 990 | Trustee | 0 | $0 | $0 | View return |
| 2022 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $991,341 | $101,971 | View return |
| 2022 | Boston Post Adoption Resources Inc. | 990 | Chief Financial Officer | 5 | $25,950 | $0 | View return |
| 2022 | Icivics Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Zachor for Holocaust Remembrance Foundation | 990 | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Trust Project | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2022 | Dreamcatchers Empowerment Network | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2021 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $927,156 | $96,509 | View return |
| 2021 | Boston Post Adoption Resources Inc. | 990 | Chief Financial Officer | 5 | $21,000 | $0 | View return |
| 2021 | Icivics Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Independent Sector | 990 | Board Of Director | 1 | $0 | $0 | View return |
| 2021 | The Trust Project | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2021 | Zachor for Holocaust Remembrance Foundation | 990 | Trustee | 0 | $0 | $0 | View return |
| 2021 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2021 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2020 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $896,560 | $88,112 | View return |
| 2020 | Independent Sector | 990 | Board Of Director | 1 | $0 | $0 | View return |
| 2020 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2020 | St. Andrews By-The-Sea Foundation | 990 | Board Member | 0 | $0 | $0 | View return |
| 2020 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2020 | Zachor for Holocaust Remembrance Foundation | 990 | Trustee | 0 | $0 | $0 | View return |
| 2020 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2019 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $888,623 | $84,809 | View return |
| 2019 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2019 | St. Andrews By-The-Sea Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2019 | Independent Sector | 990 | Board Of Director | 1 | $0 | $0 | View return |
| 2019 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2019 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2018 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $861,725 | $87,954 | View return |
| 2018 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2018 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2018 | Independent Sector | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | St. Andrews By-The-Sea Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2018 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2018 | St. Andrews By-The-Sea Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $835,119 | $85,391 | View return |
| 2017 | Independent Sector | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2017 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2017 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2017 | Urology Nursing Society Inc | 990EZ | President | 0 | $0 | - | View return |
| 2017 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2016 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $803,647 | $83,359 | View return |
| 2016 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2016 | Independent Sector | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Climateworks Foundation | 990 | Board Director | 2 | $0 | $0 | View return |
| 2016 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2016 | Milwaukee Area Compensation Association Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2015 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $1,016,597 | $83,679 | View return |
| 2015 | Independent Sector | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Milwaukee Area Compensation Association Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2015 | Equal Justice Works | 990 | Member - Until 10/2015 | 1 | $0 | $0 | View return |
| 2015 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2014 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $686,629 | $80,803 | View return |
| 2014 | Zachor for Holocaust Remembrance Foundation | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2014 | Independent Sector | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2014 | Equal Justice Works | 990 | Member | 1 | $0 | $0 | View return |
| 2014 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | $0 | $0 | View return |
| 2013 | The William & Flora Hewlett Foundation | 990PF | President | 40 | $634,592 | $85,437 | View return |
| 2013 | Accident Victims Relief Fund Inc | 990EZ | President | 0 | $0 | - | View return |
| 2013 | Harvard Business School Publishing Corporation | 990 | Compensation Committee Chair | 2 | - | - | View return |
| 2013 | Equal Justice Works | 990 | Member | 1 | $0 | $0 | View return |
| 2012 | The William & Flora Hewlett Foundation | 990PF | President (Commenced 9/2012) | 40 | $250,400 | $9,019 | View return |
| 2012 | The William & Flora Hewlett Foundation | 990PF | President (Commenced 9/2012) | 40 | $250,400 | $9,019 | View return |