| 2024 | Soaring by the Sea Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2024 | Bethesda Chevy Chase Rotary Club Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Rotary International | 990EZ | President | 2 | $0 | $0 | View return |
| 2023 | Soaring by the Sea Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2023 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2023 | Bethesda Chevy Chase Rotary Club Foundation Inc | 990 | President | 5 | $0 | $0 | View return |
| 2022 | Rotary International | 990EZ | President-Elect | 2 | $0 | $0 | View return |
| 2022 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2022 | Soaring by the Sea Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Rotary International | 990EZ | Director | 2 | $0 | $0 | View return |
| 2021 | Gaithersburg-Germantown Chamber Of | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Soaring by the Sea Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2020 | Gaithersburg-Germantown Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Soaring by the Sea Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2019 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2019 | Gaithersburg-Germantown Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Gaithersburg-Germantown Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2017 | Gaithersburg-Germantown Chamber Of | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2016 | Gaithersburg-Germantown Chamber Of | 990 | Chairman | 2 | $0 | $0 | View return |
| 2016 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2015 | Gaithersburg-Germantown Chamber Of | 990 | Chair-Elect | 2 | $0 | $0 | View return |
| 2015 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2014 | Gaithersburg-Germantown Chamber Of | 990 | Chair-Elect | 2 | $0 | $0 | View return |
| 2014 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2013 | Gaithersburg-Germantown Chamber Of | 990 | V.Chair Eco | 3 | $0 | $0 | View return |
| 2013 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2012 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |
| 2011 | The Barr Family Foundation C/O Glenn Duckworth | 990PF | Executive Director | 1 | $0 | $0 | View return |