| 2024 | Crew Haven Corporation | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2024 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2024 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2024 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2024 | Princeton National Rowing Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | Crew Haven Corporation | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2023 | Princeton National Rowing Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | Crew Haven Corporation | 990EZ | Treasurer | 0 | $0 | $0 | View return |
| 2022 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | Princeton National Rowing Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Crew Haven Corporation | 990EZ | Treasurer | 0 | $0 | $0 | View return |
| 2021 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Douglas County Soccer Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Princeton National Rowing Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2020 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2020 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2020 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Hitt Family Foundation Inc. | 990PF | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2020 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2019 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2019 | The Hitt Family Foundation Inc. | 990PF | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2019 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2019 | Marketing and Sales Executives of Detroit | 990EZ | Director | 1 | $0 | $0 | View return |
| 2019 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2019 | Burning Tree Club Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Princeton National Rowing Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2018 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2018 | The Hitt Family Foundation Inc. | 990PF | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2018 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2018 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2018 | Princeton National Rowing Association | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2018 | The Millar Family Foundation Inc | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2017 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2017 | The Hitt Family Foundation Inc. | 990PF | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2017 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2017 | Princeton National Rowing Association | 990 | President | 5 | $0 | $0 | View return |
| 2017 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2016 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2016 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2016 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2016 | Parents Against Prescription Abuse Inc. | 990EZ | President | 5 | $0 | $0 | View return |
| 2016 | Princeton National Rowing Association | 990 | President | 5 | $0 | $0 | View return |
| 2016 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2015 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2015 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2015 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2015 | Hoosac School | 990 | Trustee | 0 | $0 | $0 | View return |
| 2015 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2014 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2014 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2014 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2014 | Hoosac School | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Princeton National Rowing Association | 990 | Vice President | 4 | $0 | $0 | View return |
| 2014 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2013 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2013 | Hoosac School | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | Virginia Hospital Center Arlington Health System | 990 | Board Member | 4 | $0 | $0 | View return |
| 2013 | Hispanic Business Education Network | 990EZ | Chairman | 6 | $0 | - | View return |
| 2013 | Princeton National Rowing Association | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2013 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2012 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2011 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2011 | Lowell & Jennifer Millar Foundation Inc. | 990PF | Vice President | 0 | $0 | - | View return |
| 2010 | The Hitt Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |