| 2024 | Friends of Central Algoma Land Trust | 990 | Director | 0 | $0 | $0 | View return |
| 2023 | Friends of Central Algoma Land Trust | 990 | Director | 0 | $0 | $0 | View return |
| 2023 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Friends of Central Algoma Land Trust | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Friends of Central Algoma Land Trust | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy/Chief | 40 | $189,441 | $0 | View return |
| 2020 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy/Chief | 40 | $201,296 | $0 | View return |
| 2019 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy/Chief | 40 | $193,484 | $0 | View return |
| 2018 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy/Chief Scient | 40 | $189,022 | $0 | View return |
| 2017 | Sustainable Future Inc | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2017 | The Us Climate Action Network | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy/Dc | 40 | $183,509 | $0 | View return |
| 2016 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Us Climate Action Network | 990 | Board Member | 0.39 | $0 | $0 | View return |
| 2015 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Pol | 40 | $178,976 | $0 | View return |
| 2015 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Us Climate Action Network | 990 | Board Member | 0.39 | $0 | $0 | View return |
| 2014 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy | 40 | $178,186 | $0 | View return |
| 2014 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | The Us Climate Action Network | 990 | Board Member | 0.39 | $0 | $0 | View return |
| 2013 | The Union of Concerned Scientists Inc | 990 | Director Of Strategy & Policy | 40 | $175,349 | $0 | View return |
| 2013 | Sustainable Future Inc | 990 | Board Member | 1 | $0 | $0 | View return |