| 2025 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2024 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2024 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Allbritton Journalism Institute | 990 | Chairman/President | 4 | $0 | $0 | View return |
| 2024 | The Economic Club of Washington DC | 990 | Chair - Programs | 1 | $0 | $0 | View return |
| 2024 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2024 | The Allbritton Foundation | 990PF | Trustee/President | 0.2 | $0 | $0 | View return |
| 2023 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2023 | Allbritton Journalism Institute | 990 | Chairman/President | 4 | $0 | $0 | View return |
| 2023 | The Lyndon Baines Johnson Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Economic Club of Washington DC | 990 | Chair - Programs | 1 | $0 | $0 | View return |
| 2023 | The Allbritton Foundation | 990PF | Trustee/President | 0.2 | $0 | $0 | View return |
| 2023 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2022 | The Lyndon Baines Johnson Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee (As Of 06/2023) | 1 | $0 | $0 | View return |
| 2022 | The Allbritton Foundation | 990PF | Trustee/President | 0.2 | $0 | $0 | View return |
| 2022 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee (As Of 06/2023) | 1 | $0 | $0 | View return |
| 2022 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | The Economic Club of Washington DC | 990 | Chair - Programs | 0.5 | $0 | $0 | View return |
| 2021 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2021 | The Allbritton Foundation | 990PF | Trustee/President | 0.2 | $0 | $0 | View return |
| 2021 | The Economic Club of Washington DC | 990 | Chair - Programs | 0.5 | $0 | $0 | View return |
| 2021 | The Lyndon Baines Johnson Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | Winifred and B a Killson Educational Foundation | 990PF | Pres/Chairman | 1 | $0 | - | View return |
| 2020 | The Allbritton Foundation | 990PF | Trustee/Vice President | 0.2 | $0 | $0 | View return |
| 2020 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | The Lyndon Baines Johnson Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | The Economic Club of Washington DC | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2019 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | The Allbritton Foundation | 990PF | Trustee/Vice President | 0.2 | $0 | $0 | View return |
| 2018 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | The Allbritton Foundation | 990PF | Trustee/Vice President | 0.2 | $0 | $0 | View return |
| 2017 | Allbritton Art Institute | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | The Allbritton Foundation | 990PF | Trustee/Vice President | 0.2 | $0 | $0 | View return |
| 2016 | The Allbritton Foundation | 990PF | Trustee/Vice President | 0.2 | $0 | $0 | View return |
| 2014 | Bridges Structural & Ornamental Local 387 | 990 | Business Manager, Past | 40 | $0 | $0 | View return |
| 2013 | Southeastern Iron Workers Welfare Plan | 990 | Trustee | 5 | $0 | $0 | View return |