| 2024 | The Howard University | 990 | President | 40 | $1,043,005 | $0 | View return |
| 2024 | Association of Hbcu Research Institutions Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2024 | The National Humanities Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | National Humanities Center | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2024 | Consortium of Universities of the Washington Metropolitan Area | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | American Council on Education | 990 | Director (To 4/2025) | 1 | $0 | $0 | View return |
| 2024 | Council on Library and Information Resources | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The National Humanities Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Council on Library and Information Resources | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The National Humanities Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Conference on Latin American History Hemispheric Institute on the Americas | 990 | President | 0 | $0 | $0 | View return |
| 2022 | Council on Library and Information Resources | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | National Humanities Center | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2021 | National Humanities Alliance Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | The National Humanities Alliance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Conference on Latin American History Hemispheric Institute on the Americas | 990 | President | 0 | $0 | $0 | View return |
| 2021 | National Humanities Center | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2021 | Council on Library and Information Resources | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | American Historical Association | 990 | Vice President - Research | 1 | $0 | $0 | View return |
| 2020 | Council on Library and Information Resources | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The National Humanities Alliance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Conference on Latin American History Hemispheric Institute on the Americas | 990EZ | Vice President | 0 | $0 | - | View return |
| 2020 | National Humanities Center | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2020 | National Humanities Alliance Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | American Historical Association | 990 | Vice President - Research | 1 | $0 | $0 | View return |
| 2019 | The National Humanities Alliance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | National Humanities Alliance Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Conference on Latin American History Hemispheric Institute on the Americas | 990EZ | Vice President | 0 | $0 | - | View return |
| 2019 | National Humanities Center | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2018 | National Humanities Alliance Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | National Humanities Center | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2018 | The National Humanities Alliance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | The National Humanities Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | National Humanities Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2016 | The National Humanities Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | National Humanities Center | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | The George Washington University | 990 | Dean, Ccas | 50 | $389,398 | $0 | View return |
| 2015 | National Humanities Center | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | The George Washington University | 990 | Dean, Ccas | 50 | $375,801 | $0 | View return |
| 2014 | National Humanities Center | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | The George Washington University | 990 | Dean, Ccas - As Of 8/13 | 50 | $195,774 | - | View return |
| 2013 | National Humanities Center | 990 | Trustee | 0.1 | $0 | - | View return |