Jon D. Hammes, founder and managing partner of the Hammes Company. He attended the University of Wisconsin-Madison and earned an M.S. degree in real estate and urban land economics. Jon and his wife Ann have four children, Patrick, Sarah, Christopher and Michael, and eight grandchildren.
His son Michael Hammes oversees operation of a Hammes Company owned golf course, The Bog.
He serves on these boards:
- Medical College of Wisconsin
- University of Wisconsin Foundation
- YMCA of Metropolitan Milwaukee
- United Way of Greater Milwaukee
- Teach for America
- Milwaukee Metropolitan Association of Commerce
- Wisconsin Policy Research Institute
- WiCab Inc.
- American Enterprise Institute.
- United Way of Greater Milwaukee.











