| 2025 | Metropolitan Milwaukee Association of Commerce | 990 | Officer | 0.5 | $0 | $0 | View return |
| 2025 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2024 | The Medical College of Wisconsin Inc. | 990 | Trustee/Treasurer As Of 7/1/23 | 1 | $0 | $0 | View return |
| 2024 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2024 | Global War on Terrorism Memorial Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2023 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2023 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2023 | 2 | $0 | $0 | View return |
| 2023 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2023 | Boca Grande Health Clinic Inc | 990 | Director | 4 | $0 | $0 | View return |
| 2022 | Badger Institute Inc. | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2022 | Milwaukee World Festival Inc. | 990 | At-Large Board Member (Thru Feb 2022) | 0.4 | $0 | $0 | View return |
| 2022 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2022 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2023 | 2 | $0 | $0 | View return |
| 2022 | Boca Grande Health Clinic Inc | 990 | Director | 4 | $0 | $0 | View return |
| 2021 | Badger Institute Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $0 | $0 | View return |
| 2021 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2021 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2023 | 2 | $0 | $0 | View return |
| 2021 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 2 | $0 | $0 | View return |
| 2020 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $0 | $0 | View return |
| 2020 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | Hammes Family Foundation Inc. | 990PF | Director President & Treasurer | 1 | $0 | $0 | View return |
| 2019 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $131 | $0 | View return |
| 2019 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The George W Bush Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2019 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 1 | $0 | $0 | View return |
| 2018 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $129 | $0 | View return |
| 2018 | The Medical College of Wisconsin Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 1 | $0 | $0 | View return |
| 2018 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $74 | $0 | View return |
| 2017 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 1 | $0 | $0 | View return |
| 2017 | The Medical College of Wisconsin Inc. | 990 | Trustee/Treasurer | 0.5 | $0 | $0 | View return |
| 2016 | Milwaukee World Festival Inc. | 990 | At-Large Board Member | 0.4 | $177 | $0 | View return |
| 2016 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Medical College of Wisconsin Inc. | 990 | Trustee/Immediate Past Chair | 0.5 | $0 | $0 | View return |
| 2015 | Badger Institute Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | The Medical College of Wisconsin Inc. | 990 | Trustee/Immediate Past Chair | 0.5 | $0 | $0 | View return |
| 2014 | United Way of Greater Milwaukee & Waukesha County Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2014 | Badger Institute Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Metropolitan Milwaukee Association of Commerce | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Junior Achievement of Wisconsin Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Medical College of Wisconsin Inc. | 990 | Trustee/Chairman | 0.5 | $0 | - | View return |
| 2014 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2015 | 0.5 | $0 | $0 | View return |
| 2014 | Young Mens Christian Association of Metropolitan Milwaukee | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2015 | 1 | $0 | $0 | View return |
| 2013 | Young Mens Christian Association of Metropolitan Milwaukee | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | Young Mens Christian Association of Metropolitan Milwaukee | 990 | Member | 1 | $0 | $0 | View return |