| 2024 | Thomas R Brown Foundation | 990PF | President/Treasurer | 2 | $0 | $0 | View return |
| 2024 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2023 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Thomas R Brown Family Foundation | 990EZ | Prior President | 0 | $0 | - | View return |
| 2023 | Thomas R Brown Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2022 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2022 | Thomas R Brown Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | $0 | View return |
| 2021 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2021 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2020 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | $0 | View return |
| 2020 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2019 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2019 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | - | View return |
| 2019 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2018 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | - | View return |
| 2018 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2018 | University of Arizona Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | - | View return |
| 2017 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2017 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2017 | University of Arizona Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 2 | $0 | - | View return |
| 2016 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2016 | University of Arizona Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2015 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2015 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 1 | $0 | - | View return |
| 2015 | Southern Arizona Buffelgrass | 990 | Chair | 2 | $0 | $0 | View return |
| 2015 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2015 | University of Arizona Foundation | 990 | Past Chair | 6 | $0 | $0 | View return |
| 2014 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2014 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 1 | $0 | - | View return |
| 2014 | University of Arizona Foundation | 990 | Past Chair | 6 | $0 | $0 | View return |
| 2014 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2014 | Southern Arizona Buffelgrass | 990 | Chair | 0.8 | $0 | $0 | View return |
| 2013 | Southern Arizona Leadership Council Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2013 | Thomas R Brown Family Private Foundation | 990PF | Pres/Treas | 1 | $0 | - | View return |
| 2013 | Southern Arizona Buffelgrass | 990 | Chair | 0.4 | $0 | $0 | View return |
| 2013 | University of Arizona Foundation | 990 | Chair | 6 | $0 | $0 | View return |
| 2013 | Thomas R Brown Family Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2012 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 2 | $0 | - | View return |
| 2010 | Thomas R Brown Foundation | 990PF | Pres/Treasurer | 0 | $0 | - | View return |