| 2022 | Center for the Advancement of the Steady State Economy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Foundation Earth | 990 | Vice Chair/Tres | 2 | $0 | $0 | View return |
| 2022 | International Rivers Network | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Gender Action | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | International Rivers Network | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Foundation Earth | 990 | Treasurer/Viss-Chair | 2 | $0 | $0 | View return |
| 2021 | Gender Action | 990EZ | Director | 0.08 | $0 | - | View return |
| 2021 | International Rivers Network | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Center for the Advancement of the Steady State Economy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2020 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | International Rivers Network | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2019 | International Rivers Network | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Friends of the Earth (Action) Inc | 990 | Board Member - Until 06/20 | 1 | $0 | $0 | View return |
| 2018 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | International Rivers Network | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2018 | Friends of the Earth (Action) Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2017 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2017 | International Rivers Network | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Friends of the Earth (Action) Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2016 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2016 | International Rivers Network | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Friends of the Earth (Action) Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2015 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2015 | International Rivers Network | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Friends of the Earth (Action) Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Foundation Earth | 990 | Vice Chair & Treasurer | 2 | $0 | $0 | View return |
| 2014 | Friends of the Earth (Action) Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Foundation Earth | 990 | Vice Chair & | 2 | $0 | $0 | View return |
| 2013 | Potomac Riverkeeper Network | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Friends of the Earth (Action) Inc | 990 | Board Member | 1 | $0 | $0 | View return |