| 2024 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2024 | Humane Animal Treatment Society | 990 | Secretary | 2 | $0 | $0 | View return |
| 2023 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2023 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2022 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2022 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2021 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2021 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2020 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2020 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2020 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2019 | Art Reach of MID Michigan | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Frederick W and Janet P Dorn Foundation | 990PF | Vice Preside | 0 | $0 | $0 | View return |
| 2018 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2016 | Humane Animal Treatment Society | 990 | Secretary | 5 | $0 | $0 | View return |
| 2015 | Humane Animal Treatment Society | 990 | Secretary | 15 | $0 | $0 | View return |
| 2015 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2014 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2014 | Humane Animal Treatment Society | 990 | Past Preside | 15 | $0 | $0 | View return |
| 2013 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2013 | Humane Animal Treatment Society | 990 | Past Preside | 15 | $0 | $0 | View return |
| 2012 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2011 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2010 | Frederick W and Janet P Dorn Foundation | 990PF | Vice President | 0 | $0 | - | View return |