| 2024 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trusteesecretary | 2 | $0 | $0 | View return |
| 2024 | First Amendment Coalition | 990 | Executive Committee At Lar | 0 | $0 | $0 | View return |
| 2023 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trusteesecretary | 2 | $0 | - | View return |
| 2023 | Embarcadero Media Foundation | 990 | Director | 0.2 | $0 | $0 | View return |
| 2023 | Council for Court Excellence | 990 | Civic Director | 2 | $0 | $0 | View return |
| 2023 | First Amendment Coalition | 990 | Executive Committee At Lar | 0 | $0 | $0 | View return |
| 2022 | Maryland-Delaware-DC Press Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trusteesecretary | 2 | $0 | - | View return |
| 2022 | Embarcadero Media Foundation | 990 | Director | 0.2 | $0 | $0 | View return |
| 2022 | First Amendment Coalition | 990 | Executive Committee At Large | 0 | $0 | $0 | View return |
| 2022 | Council for Court Excellence | 990 | Civic Director | 2 | $0 | $0 | View return |
| 2021 | Maryland-Delaware-DC Press Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Council for Court Excellence | 990 | Civic Director | 2 | $0 | $0 | View return |
| 2021 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trusteesecretary | 2 | $0 | - | View return |
| 2021 | First Amendment Coalition | 990 | Executive Committee At Large | 0 | $0 | $0 | View return |
| 2020 | Maryland-Delaware-DC Press Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trustee Secretary | 0 | $0 | - | View return |
| 2020 | First Amendment Coalition | 990 | Exec Committee At Large | 0 | $0 | $0 | View return |
| 2020 | Philip L Graham Fund Co Graham Holdings Company | 990PF | Trustee Secretary | 0 | $0 | - | View return |
| 2020 | Council for Court Excellence | 990 | Civic Director | 2 | $0 | $0 | View return |
| 2019 | Council for Court Excellence | 990 | Individual Director | 2 | $0 | $0 | View return |
| 2019 | First Amendment Coalition | 990 | Executive Committee At Large | 0 | $0 | $0 | View return |
| 2018 | First Amendment Coalition | 990 | President | 0 | $0 | $0 | View return |
| 2017 | First Amendment Coalition | 990 | President | 0 | $0 | $0 | View return |
| 2016 | First Amendment Coalition | 990 | President | 0 | $0 | $0 | View return |
| 2015 | First Amendment Coalition | 990 | President | 0 | $0 | $0 | View return |
| 2014 | First Amendment Coalition | 990 | President | 0 | $0 | $0 | View return |
| 2014 | District of Columbia College Access Program | 990 | Assistant Secretary | 1 | $0 | $0 | View return |
| 2013 | District of Columbia College Access Program | 990 | Assistant Secretary | 1 | $0 | $0 | View return |