| 2024 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2024 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Stanford Theatre Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | The William & Flora Hewlett Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2015 | The Packard Humanities Institute | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | The William & Flora Hewlett Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2014 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | $0 | View return |
| 2013 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | $0 | View return |
| 2012 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | $0 | View return |
| 2012 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | - | View return |
| 2011 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | $0 | View return |
| 2010 | The William & Flora Hewlett Foundation | 990PF | Chairman | 3 | $0 | $0 | View return |
| 2010 | The Stanford Theatre Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2009 | Center for Computer Assisted Research in the Humanities | 990PF | Director | 15 | $0 | - | View return |