| 2024 | Riverside Senior Living Center | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2023 | American Federation of Government Employees Local 2509 | 990EZ | President | 40 | $0 | $0 | View return |
| 2023 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2023 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2022 | American Federation of Government Employees Local 2509 | 990EZ | President | 40 | $0 | $0 | View return |
| 2021 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2021 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2020 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2019 | Leap Innovations | 990 | Director (Through 7/2/19) | 0.5 | $0 | $0 | View return |
| 2019 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2018 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 1.5 | $0 | $0 | View return |
| 2018 | Leap Innovations | 990 | Director (Resigned 7/2/19) | 0.5 | $0 | $0 | View return |
| 2018 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2020 | 1.5 | $0 | $0 | View return |
| 2017 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treasurer | 0 | $0 | $0 | View return |
| 2017 | Leap Innovations | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treasurer | 0 | $0 | $0 | View return |
| 2016 | Leap Innovations | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2015 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treasurer | 0 | $0 | $0 | View return |
| 2015 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2015 | Leap Innovations | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2017 | 0.5 | $0 | $0 | View return |
| 2014 | Leap Innovations | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2013 | University of Wisconsin Foundation | 990 | Director - Term Exp 6/2014 | 0.5 | $0 | $0 | View return |
| 2013 | Hammes Foundation C/O Jeffrey C Hammes Kirkland & Ellis LLP | 990PF | Director, President, Treasurer | 0 | $0 | $0 | View return |
| 2013 | Ravinia Festival Association | 990 | Trustee | 0.5 | $0 | $0 | View return |