| 2024 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | Director / President | 50 | $1,113,955 | $97,670 | View return |
| 2024 | Fidelity Non-Profit Management | 990 | Director | 2.5 | $25,000 | $20,000 | View return |
| 2023 | Fidelity Non-Profit Management | 990 | Director (As Of 3/2023) | 5 | $25,000 | $20,000 | View return |
| 2023 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | John S and James L Knight Foundation | 990PF | Trustee | 2 | $40,000 | $0 | View return |
| 2022 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Trustees of Phillips Academy | 990 | Former Head Of School | 0 | $284,260 | $0 | View return |
| 2020 | John S and James L Knight Foundation | 990PF | Trustee | 2 | $40,000 | $0 | View return |
| 2020 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Trustees of Phillips Academy | 990 | Hd Of School/Trustee(End 8/19) | 55 | $563,949 | $0 | View return |
| 2019 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | Director/President Since 9/1/2019 | 50 | $319,966 | $51,222 | View return |
| 2019 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2019 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Proprietors of the Boston Athenaeum | 990 | Trustee (Until 6/18/20) | 2 | $0 | $0 | View return |
| 2018 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $715,936 | $0 | View return |
| 2018 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2018 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Proprietors of the Boston Athenaeum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $443,226 | $0 | View return |
| 2017 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $443,226 | $0 | View return |
| 2017 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2017 | Collective Shift | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2017 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | School Year Abroad Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Data & Society Research Institute Inc | 990 | Previous Secretary | 1 | $0 | $0 | View return |
| 2017 | Proprietors of the Boston Athenaeum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $433,949 | $0 | View return |
| 2016 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2016 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2016 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Collective Shift | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2016 | Data & Society Research Institute Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Data & Society Research Institute Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | School Year Abroad Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $645,012 | $0 | View return |
| 2015 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $80,000 | $0 | View return |
| 2015 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $377,054 | $0 | View return |
| 2014 | John S and James L Knight Foundation | 990PF | Chairman And Trustee | 2 | $62,700 | $0 | View return |
| 2014 | Open Source Media Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Digital Public Library of America | 990 | President | 1 | $0 | $0 | View return |
| 2014 | Digital Public Library of America | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | Data & Society Research Institute Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | Trustees of Phillips Academy | 990 | Head Of School/Trustee | 60 | $359,375 | $0 | View return |
| 2013 | John S and James L Knight Foundation | 990PF | Trustee | 2 | $36,800 | $0 | View return |
| 2013 | Open Source Media Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2012 | John S and James L Knight Foundation | 990PF | Trustee | 2 | $32,800 | $0 | View return |
| 2011 | John S and James L Knight Foundation | 990PF | Trustee | 2 | $11,200 | $0 | View return |