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.
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Content referencing Jon Hammes
Cargo Hub Planned For Milwaukee Airport
Former Air Force base along College Avenue would be redeveloped.
Feb 16th, 2023 by Jeramey JanneneMilwaukee Bucks Parade, Celebration
Crowd estimated in excess of 100,000.
Jul 22nd, 2021 by Jeramey JanneneFormer Carleton School to Become Housing
Plus: Bradley Foundation moving to Hammes Building.
Apr 21st, 2019 by Graham KilmerHammes HQ Nears Completion
Brookfield firm will move Downtown before the end of the year.
Sep 28th, 2018 by Jeramey JanneneCopper Dome Emerges Downtown
Hammes HQ sports Jeffersonian-style design.
Jun 8th, 2018 by Jeramey JanneneCrony Capitalism of Walker, Hammes, Foxconn
Walker donor gets $100 million Foxconn project for which his company has no experience.
May 22nd, 2018 by Matt RothschildHammes HQ Takes Shape
Building is a welcome change from a vacant lot.
Feb 2nd, 2018 by Jeramey JanneneClassical Dome Appears Downtown
Hammes Co.'s new headquarters distinctive design clearly visible.
Nov 3rd, 2017 by Jeramey JanneneAn 18th Century Building Made of Steel
Hammes' new downtown HQ is Jeffersonian-throwback with modern materials.
Jul 7th, 2017 by Jeramey JanneneHammes HQ Starts Construction
Brookfield firm moves downtown next year into classical-styled building.
Mar 1st, 2017 by Jeramey JanneneHammes Revises Controversial Design
City panel approves a shorter, stouter building. Will that stop the complaints?
Feb 13th, 2017 by Jeramey JanneneHammes Building An Obvious Mistake
But is it worth fighting to stop it? Nah. Here’s why.
Nov 21st, 2016 by Tom BambergerHow Bad (or Good) is Hammes HQ Design?
Is it urban or suburban, Jeffersonian or Reaganesque? The debate has already begun.
Oct 24th, 2016 by Jeramey JanneneHammes Moving Downtown in 2018
Another company moving from suburbs to Downtown and with unusual architectural style.
Oct 21st, 2016 by Jeramey Jannene13 Lessons The Guardian Taught Us
Or how Scott Walker corrupted Wisconsin, as the leaked Doe documents reveal.
Oct 4th, 2016 by Bruce MurphyDid Bucks Investors Pay Off Walker?
One publication says yes. But most donors to his presidential campaign are secret.
Jul 30th, 2015 by Bruce MurphyIs Bucks Arena a Done Deal?
The way the team's owners are buying up downtown land, they're clearly certain the deal will pass.
Jul 6th, 2015 by Dave ReidWill Historic Building in Third Ward Be Saved?
Third Ward review board defers decision on Historic Designation. And Milwaukee now has a Croatian sister city.
May 15th, 2015 by Michael Horne10 Key Issues in NBA Arena Debate
Will the new owners get tax support? It all depends on these ten issues.
Apr 24th, 2014 by Bruce Murphy

























