| 2025 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2024 | College Association of the State Univ of Ny Agri & Tech Coll At | 990 | Member | 1 | $0 | $0 | View return |
| 2024 | Operation Indy Inc. | 990EZ | Chief Consulting Officer | 5 | $0 | $0 | View return |
| 2024 | Celina Band Boosters C/O Jessica Novitzke | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2024 | National Links Trust | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Legend High School Band Boosters Inc | 990 | Band Directo | - | $0 | $0 | View return |
| 2023 | Kane Area Industrial Development Corporation | 990 | Executive Director | 1 | $47,827 | $0 | View return |
| 2023 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | National Links Trust | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | College Association of the State Univ of Ny Agri & Tech Coll At | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Celina Band Boosters C/O Jessica Novitzke | 990EZ | Secretary | 1 | $0 | - | View return |
| 2023 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2023 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2022 | Kane Area Industrial Development Corporation | 990 | Executive Di | 40 | $39,655 | $0 | View return |
| 2022 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2022 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Celina Band Boosters C/O Jessica Novitzke | 990EZ | Secretary | 1 | $0 | - | View return |
| 2022 | College Association of the State Univ of Ny Agri & Tech Coll At | 990 | Interim Director | 1 | $0 | $0 | View return |
| 2022 | National Links Trust | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Kane Area Industrial Development Corporation | 990 | Executive Di | 40 | $57,757 | $0 | View return |
| 2021 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2021 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Friends of the Parks | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Kane Area Industrial Development Corporation | 990 | Executive Di | 40 | $38,333 | $0 | View return |
| 2020 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2020 | Friends of the Parks | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Legacy Law School Corporation | 990 | Professor | 40 | $154,229 | $0 | View return |
| 2019 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2019 | Tiger Foundation | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2018 | The American College of Employee Benefits Counsel Inc | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | German Institute for the Southwest | 990EZ | Director | 5 | $0 | $0 | View return |
| 2018 | Tiger Foundation | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2017 | Legacy Law School Corporation | 990 | Professor | 40 | $218,464 | $0 | View return |
| 2017 | German Institute for the Southwest | 990EZ | Director/Vice President | 5 | $0 | $0 | View return |
| 2017 | Tiger Foundation | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2017 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | The American College of Employee Benefits Counsel Inc | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | Legacy Law School Corporation | 990 | Associate Dean | 40 | $211,215 | $0 | View return |
| 2016 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | The American College of Employee Benefits Counsel Inc | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | Tiger Foundation | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2015 | Legacy Law School Corporation | 990 | Associate Dean | 40 | $220,445 | $0 | View return |
| 2015 | Center for Plant Conservation Inc. | 990 | Former President & Ed | 0 | $53,296 | $0 | View return |
| 2015 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | The American College of Employee Benefits Counsel Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2015 | Chicago Foundation for Women | 990 | Treasurer, Director | 3 | $0 | $0 | View return |
| 2015 | Houston-Leipzig Sister City Association Inc | 990EZ | President | 10 | $0 | - | View return |
| 2014 | Legacy Law School Corporation | 990 | Associate Dean | 40 | $219,463 | $0 | View return |
| 2014 | Center for Plant Conservation Inc. | 990 | Former President & Ed | 0 | $81,933 | $0 | View return |
| 2014 | The American College of Employee Benefits Counsel Inc | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2014 | Chicago Foundation for Women | 990 | Treasurer, Director | 3 | $0 | $0 | View return |
| 2014 | Houston-Leipzig Sister City Association Inc | 990EZ | Director | 3 | $0 | - | View return |
| 2013 | Legacy Law School Corporation | 990 | Associate Dean | 40 | $207,364 | $0 | View return |
| 2013 | The American College of Employee Benefits Counsel Inc | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2013 | Chicago Foundation for Women | 990 | Treasurer, Director | 3 | $0 | $0 | View return |
| 2012 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2011 | Tom and Betty Leininger Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |