| 2025 | Purple Rose Theatre Company | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Hamp Family Fund | 990PF | Secretary/Treasurer/Director | 0.25 | $0 | $0 | View return |
| 2024 | Santa Fe Watershed Association | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Santa Fe Watershed Association | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Hamp Family Fund | 990PF | Secretary/Treasurer/Director | 0.25 | $0 | $0 | View return |
| 2023 | Michigan Education Excellence Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Community Foundation for Southeast | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | Purple Rose Theatre Company | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2022 | Community Foundation for Southeast | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Michigan Education Excellence Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | Purple Rose Theatre Company | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Santa Fe Watershed Association | 990 | President | 4 | $0 | $0 | View return |
| 2021 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2021 | Michigan Education Excellence Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2021 | Community Foundation for Southeast | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Purple Rose Theatre Company | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Michigan Education Excellence Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2020 | Community Foundation for Southeast | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Santa Fe Watershed Association | 990 | President | 4 | $0 | $0 | View return |
| 2020 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2020 | Detroit Riverfront Conservancy Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Edison Institute Inc | 990 | Trustee (Part Year) | 1 | $0 | $0 | View return |
| 2020 | Purple Rose Theatre Company | 990 | Co-Chairpers | 1 | $0 | $0 | View return |
| 2019 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2019 | Santa Fe Watershed Association | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Detroit Riverfront Conservancy Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Michigan Education Excellence Foundation | 990 | Chair | 1 | $0 | $0 | View return |
| 2019 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Purple Rose Theatre Company | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2018 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Hamp Family Fund | 990PF | Secretary/Treasurer/Director | 0.25 | $0 | $0 | View return |
| 2018 | Santa Fe Watershed Association | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Michigan Education Excellence Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Purple Rose Theatre Company | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2017 | Santa Fe Watershed Association | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Michigan Education Excellence Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2017 | Purple Rose Theatre Company | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2016 | Santa Fe Watershed Association | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Michigan Education Excellence Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2016 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Purple Rose Theatre Company | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2015 | Santa Fe Watershed Association | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Henry Ford Learning Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Hamp Family Fund | 990PF | Secretary/Treasurer/Director | 0.25 | $0 | $0 | View return |
| 2015 | Michigan Education Excellence Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Purple Rose Theatre Company | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2014 | Henry Ford Learning Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2014 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Michigan Education Excellence Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2014 | Creative Urban Education Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | Sustainable Water Works | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Culturesource | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Hamp Family Fund | 990PF | Secretary/Treasurer/Direct | 0.25 | $0 | $0 | View return |
| 2013 | The Edison Institute Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Henry Ford Learning Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Michigan Education Excellence Foundation | 990 | President | 5 | $0 | $0 | View return |
| 2013 | Creative Urban Education Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2012 | Hamp Family Fund | 990PF | Secretary/Treasurer/Director | 0.25 | $0 | $0 | View return |
| 2011 | Hamp Family Fund | 990PF | Secretary,Treasurer & Dire | 0.25 | $0 | $0 | View return |