| 2024 | Ahayah Community Development Corporation | 990 | Chairman | 5 | $0 | $0 | View return |
| 2024 | Powell Family Foundation Inc. | 990PF | President/Director | 3 | $0 | $0 | View return |
| 2024 | Citizens Hose Company 5 Tr Ua 413590209 | 990 | Financial Secretary | 2 | $0 | $0 | View return |
| 2023 | Citizens Hose Company 5 Tr Ua 413590209 | 990 | Director | 0 | $0 | $0 | View return |
| 2023 | Citizens Hose Company 5 Tr Ua 413590209 | 990 | Financial Secretary | 0 | $0 | $0 | View return |
| 2023 | Powell Family Foundation Inc. | 990PF | President/Director | 52 | $0 | $0 | View return |
| 2022 | Citizens Hose Company 5 Tr Ua 413590209 | 990 | Financial Secretary | 0 | $150 | $0 | View return |
| 2022 | Powell Family Foundation Inc. | 990PF | President/Director | 52 | $0 | $0 | View return |
| 2021 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2021 | Croasdaile Village Residents Association | 990 | Past President | 5 | $0 | $0 | View return |
| 2020 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2020 | Croasdaile Village Residents Association | 990 | Past President | 8 | $0 | $0 | View return |
| 2020 | The Company of the Redwood Library and Athenaeum | 990 | Director As Of September 2 | 0.5 | $0 | $0 | View return |
| 2019 | Croasdaile Village Residents Association | 990 | President | 15 | $0 | $0 | View return |
| 2019 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2019 | The Company of the Redwood Library and Athenaeum | 990 | Director As Of September 2019 | 0.5 | $0 | $0 | View return |
| 2019 | The United Methodist Retirement Homes Inc. | 990 | Ex-Officio Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2018 | Croasdaile Village Residents Association | 990 | President | 10 | $0 | $0 | View return |
| 2018 | The United Methodist Retirement Homes Inc. | 990 | Ex-Officio Trustee | 1 | $0 | $0 | View return |
| 2017 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2017 | Croasdaile Village Residents Association | 990 | Treasuer | 5 | $0 | $0 | View return |
| 2017 | National Trust for Historic Preservation in the United States | 990 | Statutory Ex-Officio Trustee | 2 | $0 | $0 | View return |
| 2016 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2016 | Croasdaile Village Residents Association | 990 | Treasuer | 10 | $0 | $0 | View return |
| 2016 | National Trust for Historic Preservation in the United States | 990 | Statutory Ex-Officio Trustee | 2 | $0 | $0 | View return |
| 2015 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2015 | Croasdaile Village Residents Association | 990 | Treasuer | 5 | $0 | $0 | View return |
| 2015 | Woodsboro Volunteer Fire Company | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | National Trust for Historic Preservation in the United States | 990 | Ex-Officio Trustee, Director | 2 | $0 | $0 | View return |
| 2014 | John S and James L Knight Foundation Inc. | 990PF | Trustee | 2 | $7,700 | $0 | View return |
| 2014 | Woodsboro Volunteer Fire Company | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Powell Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2014 | The University of Florida Foundation Inc | 990 | Life Member | 1 | $0 | $0 | View return |
| 2014 | Croasdaile Village Residents Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | National Trust for Historic Preservation in the United States | 990 | Ex-Officio Trustee, Director Of The National Gallery | 2 | $0 | $0 | View return |
| 2013 | John S and James L Knight Foundation Inc. | 990PF | Trustee | 2 | $30,100 | $0 | View return |
| 2013 | The University of Florida Foundation Inc | 990 | Life Member | 1 | $0 | $0 | View return |
| 2013 | National Trust for Historic Preservation in the United States | 990 | Statutory Ex-Officio Trustee, Director Of The National Gallery | 2 | $0 | $0 | View return |
