| 2025 | National Association for Olmsted Parks Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Casey Trees | 990 | Executive Director | 40 | $173,795 | $0 | View return |
| 2024 | Dcbia Community Services Corporation | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2023 | Casey Trees | 990 | Executive Director | 40 | $174,546 | $0 | View return |
| 2023 | Friends of the National Arboretum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | National Association for Olmsted Parks Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Casey Trees | 990 | Executive Director | 40 | $175,844 | $0 | View return |
| 2022 | Friends of the National Arboretum Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | National Association for Olmsted Parks Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Casey Trees | 990 | Executive Director | 40 | $177,268 | $0 | View return |
| 2021 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2021 | National Association for Olmsted Parks Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Friends of the National Arboretum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Casey Trees | 990 | Executive Director | 40 | $187,915 | $0 | View return |
| 2020 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2020 | Friends of the National Arboretum Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | National Association for Olmsted Parks Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Casey Trees | 990 | Executive Director | 40 | $175,000 | $0 | View return |
| 2019 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2019 | Friends of the National Arboretum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Casey Trees | 990 | Executive Director | 40 | $175,000 | $0 | View return |
| 2018 | Friends of the National Arboretum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | Casey Trees | 990 | Executive Director | 40.83 | $195,000 | $0 | View return |
| 2017 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | Friends of the National Arboretum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Casey Trees | 990 | Executive Director | 41 | $175,000 | $0 | View return |
| 2016 | Dcbia Community Services Corporation | 990EZ | Director | 1 | $0 | $0 | View return |
| 2015 | Casey Trees | 990 | Executive Director | 41 | $175,000 | $0 | View return |
| 2015 | Alliance for Community Trees | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Casey Trees | 990 | Executive Director | 41.1 | $175,000 | $0 | View return |
| 2014 | Alliance for Community Trees | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Alliance for Community Trees | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Casey Trees | 990 | Executive Director | 41.3 | $175,000 | $0 | View return |