| 2024 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | Alliance for Economic Success | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | Cadillac Area Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Alliance for Economic Success | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | Munson Healthcare Cadillac | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Cadillac Area Chamber of Commerce | 990 | Immediate Past Chair | 1 | $0 | $0 | View return |
| 2021 | Alliance for Economic Success | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Munson Healthcare Cadillac | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Munson Healthcare Cadillac | 990 | Director | 1 | $5,000 | $0 | View return |
| 2020 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Cadillac Area Chamber of Commerce | 990 | Immediate Past Chair | 1 | $0 | $0 | View return |
| 2020 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Alliance for Economic Success | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Munson Healthcare Cadillac | 990 | Director | 1 | $5,000 | $0 | View return |
| 2019 | Cadillac Area Chamber of Commerce | 990 | Chair | 0 | $0 | $0 | View return |
| 2019 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Alliance for Economic Success | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Munson Healthcare Cadillac | 990 | Director | 1 | $5,000 | $0 | View return |
| 2018 | Cadillac Area Chamber of Commerce | 990 | First Vice Chair | 0 | $0 | $0 | View return |
| 2018 | Gerard I & Beverly L Winkle Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Munson Healthcare Cadillac | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Cadillac Area Community Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Munson Healthcare Cadillac | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Cadillac Area Community Foundation | 990 | Trustee | 1 | $0 | $0 | View return |