| 2025 | Cityschools Collaborative | 990 | Director To 9/24, Then V.C. & Sec. | 2 | $0 | $0 | View return |
| 2024 | Electrification Coalition Alliance Inc | 990 | Board Director | 1 | $0 | $0 | View return |
| 2024 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2024 | Cityschools Collaborative | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2023 | Electrification Coalition Alliance Inc | 990 | Board Director | 1 | $0 | $0 | View return |
| 2023 | Cityschools Collaborative | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Electrification Coalition Foundation | 990 | Board Director | 1 | $0 | $0 | View return |
| 2023 | Corporation of the Washington Latin School | 990 | Governor | 3 | $0 | $0 | View return |
| 2023 | Kipp DC Public Charter Schools | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Electrification Coalition Foundation | 990 | Board Director/Consultant | 1 | $20,750 | $0 | View return |
| 2022 | Electrification Coalition Alliance Inc | 990EZ | Board Director | 1 | $0 | $0 | View return |
| 2022 | Cityschools Collaborative | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2022 | Corporation of the Washington Latin School | 990 | Governor | 3 | $0 | $0 | View return |
| 2022 | Kipp DC Public Charter Schools | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Electrification Coalition Foundation | 990 | Board Director | 1 | $60,000 | $0 | View return |
| 2021 | Cityschools Collaborative | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2021 | Electrification Coalition Alliance Inc | 990EZ | Board Director | 1 | $0 | $0 | View return |
| 2021 | Corporation of the Washington Latin School | 990 | Governor | 3 | $0 | $0 | View return |
| 2021 | Discovery Green Conservancy | 990 | Chair | 2 | $0 | $0 | View return |
| 2021 | Kipp DC Public Charter Schools | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Frank C Poucher & Lillian S Poucher Memorial Fund | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2020 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2020 | Kipp DC Public Charter Schools | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Corporation of the Washington Latin School | 990 | Board Member | 3 | $0 | $0 | View return |
| 2019 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2019 | Frank C Poucher & Lillian S Poucher Memorial Fund | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2019 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President / Director (Thru 08/10/2018) | 1 | $0 | $0 | View return |
| 2019 | Discovery Green Conservancy | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | Kipp DC Public Charter Schools | 990 | Member Since Sept 2019 | 1 | $0 | $0 | View return |
| 2019 | Corporation of the Washington Latin School | 990 | Board Member | 3 | $0 | $0 | View return |
| 2018 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President / Director (Thru 08/10/2018) | 1 | $0 | $0 | View return |
| 2018 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2018 | Wm Emergency Employee Support Fund | 990 | Director (Thru 08/10/2018) | 1 | $0 | $0 | View return |
| 2018 | Corporation of the Washington Latin School | 990 | Board Member | 3 | $0 | $0 | View return |
| 2018 | Kipp DC Public Charter Schools | 990 | Member Since Sept 2019 | 1 | $0 | $0 | View return |
| 2018 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Discovery Green Conservancy | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2017 | National Waste and Recycling Association | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President / Director | 1 | $0 | $0 | View return |
| 2017 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2017 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Discovery Green Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President / Director | 1 | $0 | $0 | View return |
| 2016 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2016 | National Waste and Recycling Association | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Discovery Green Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Lewisburg Volunteer Fire Department | 990 | Director | - | $0 | $0 | View return |
| 2015 | The Arthur Page Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President / Director | 1 | $0 | $0 | View return |
| 2015 | National Waste and Recycling Association | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | Gamecock Club of the University of South | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2015 | Discovery Green Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Public Relations Seminar | 990 | Committee Member | 1 | $0 | $0 | View return |
| 2014 | The Arthur Page Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Lewisburg Volunteer Fire Department | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President & Director | 1 | $0 | $0 | View return |
| 2014 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | National Waste and Recycling Association | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Gamecock Club of the University of South | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2014 | Public Relations Seminar | 990 | Committee Member | 1 | $0 | $0 | View return |
| 2014 | Discovery Green Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | The Waste Management Charitable Foundation C/O Waste Management Inc | 990PF | President & Director | 1 | $0 | $0 | View return |
| 2013 | National Waste and Recycling Association | 990 | Director | 5 | $0 | $0 | View return |
| 2013 | Keep America Beautiful Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Lewisburg Volunteer Fire Department | 990 | Director | 3 | $0 | $0 | View return |
| 2013 | Discovery Green Conservancy | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Gamecock Club of the University of South | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2013 | Public Relations Seminar | 990 | Committee Member | 1 | $0 | $0 | View return |