| 2024 | Pfeiffer Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Pfeiffer Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary | 4 | $0 | $0 | View return |
| 2023 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 1 | $0 | $0 | View return |
| 2023 | Earl Warren Legal Training Program Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2022 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 1 | $0 | $0 | View return |
| 2022 | Earl Warren Legal Training Program Inc | 990 | Secretary Of The Board | 1 | $0 | $0 | View return |
| 2021 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2021 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 1 | $0 | $0 | View return |
| 2021 | Earl Warren Legal Training Program Inc | 990 | Secretary Of The Board | 1 | $0 | $0 | View return |
| 2021 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2020 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2020 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2020 | Earl Warren Legal Training Program Inc | 990 | Secretary Of The Board | 1 | $0 | $0 | View return |
| 2020 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 2 | $0 | $0 | View return |
| 2019 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | Earl Warren Legal Training Program Inc | 990 | Secretary Of The Board | 1 | $0 | $0 | View return |
| 2019 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2019 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 2 | $0 | $0 | View return |
| 2018 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | Fraternal Order of Eagles | 990 | Conductor | - | $0 | $0 | View return |
| 2018 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 1 | $0 | $0 | View return |
| 2018 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2018 | Earl Warren Legal Training Program Inc | 990 | Secretary Of The Board | 1 | $0 | $0 | View return |
| 2017 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2017 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 5 | $0 | $0 | View return |
| 2017 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2016 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 5 | $0 | $0 | View return |
| 2016 | NAACP Legal Defense & Educ Fund Inc | 990 | Secretary Of The Board | 4 | $0 | $0 | View return |
| 2015 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 5 | $0 | $0 | View return |
| 2015 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | NAACP Legal Defense & Educ Fund Inc | 990 | Board Member | 1.5 | $0 | $0 | View return |
| 2014 | NAACP Legal Defense & Educ Fund Inc | 990 | Board Member | 1.5 | $0 | $0 | View return |
| 2014 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 5 | $0 | $0 | View return |
| 2013 | St Andrew'S School of Delaware Inc | 990 | Trustee Emeritus | 5 | $0 | $0 | View return |
| 2013 | The Africa-America Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | NAACP Legal Defense & Educ Fund Inc | 990 | Board Member | 1.5 | $0 | $0 | View return |