| 2025 | Southwest Michigan First Corporation | 990 | Executive VP-Economic Development | 40 | $260,474 | $0 | View return |
| 2024 | Southwest Michigan First Corporation | 990 | Executive VP-Economic Development | 40 | $260,577 | $0 | View return |
| 2024 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2023 | Southwest Michigan First Corporation | 990 | Executive VP - Economic Development | 40 | $256,503 | $0 | View return |
| 2023 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2022 | Southwest Michigan First Corporation | 990 | Executive Vice President | 40 | $255,754 | $0 | View return |
| 2022 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2021 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $252,859 | $0 | View return |
| 2021 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2020 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $260,005 | $0 | View return |
| 2020 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2019 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $247,552 | $0 | View return |
| 2019 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2018 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $244,438 | $0 | View return |
| 2018 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2017 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $237,336 | $0 | View return |
| 2017 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2016 | Southwest Michigan First Corporation | 990 | Managing Partner | 40 | $230,926 | $0 | View return |
| 2016 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2015 | Southwest Michigan First Corporation | 990 | VP Business | 40 | $207,748 | $0 | View return |
| 2015 | Kalamazoo Symphony Orchestra | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Lakeshore 504 | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Southwest Michigan Innovation Center Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Willard L Marmelzat Foundation C/O Jonathan Marmelzat | 990PF | Vice President | 0.5 | $0 | $0 | View return |
| 2014 | Southwest Michigan First Corporation | 990 | VP Business | 40 | $200,489 | $0 | View return |
| 2014 | Lakeshore 504 | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Southwest Michigan First Corporation | 990 | VP Business | 40 | $192,575 | $0 | View return |