Credentials
- Northwestern University School of Law, Juris Doctor (J.D.), 1991, cum laude
- University of Wisconsin - Madison, Bachelor of Science (B.S.), 1987, with honors
- Wisconsin
- United States Supreme Court
- United States Court of Appeals, Seventh Circuit
- United States District Court, Eastern District of Wisconsin
- Powerlist – Construction, Wisconsin Law Journal, 2026
- Wisconsin’s 275 Most Influential Business Leaders, BizTimes, 2022-2025
- Litigation Star, Construction, Benchmark Litigation, 2013-Present
- Construction Law, Best Lawyers®, 2007-Present
- Construction Law, The Midwest’s Best Lawyers©, 2021
- Milwaukee “Lawyer of the Year” in construction law, The Best Lawyers in America®, 2015, 2024
- “Leading Lawyers,” Milwaukee’s M Magazine, 2015
- Selected to Construction Litigation, General Litigation Super Lawyers, Super Lawyers®, 2007-2008, 2011-2021
Engagement
- Member, Leadership Council on Legal Diversity (LCLD)
- Member, American Bar Association
- Member, State Bar of Wisconsin, Construction and Public Contract Law Section
- Member, Milwaukee Bar Association
- Board Member, Wisconsin Manufacturers & Commerce
- Board Trustee, Mount Mary University
- Board Member, Brookfield Economic Development Committee
- Past Board Member, Greater Milwaukee Committee
- Past Board Member, Junior Achievement of Wisconsin
Insights

Mayer Featured in Law360 article, “Michael Best Taps Jones Lang LaSalle Exec For COO Role”
Michael Best & Friedrich LLP has welcomed a new chief operating officer from real estate brokerage firm Jones Lang LaSalle Inc., where he held senior chief operating officer and strategic leadership roles.Read
May 26, 2026

Michael Best Appoints Jeff Mayer as Firm’s Next Chief Operating Officer
National AmLaw 200 firm Michael Best is pleased to announce the appointment of Jeff Mayer as Chief Operating Officer.Read
May 19, 2026

Wisconsin Manufacturer of the Year Awards Presented to Eight Manufacturers
Eight companies were named as Wisconsin Manufacturers of the Year at the 37th Annual MOTY Awards program, the state’s premier recognition of manufacturing excellence.Read
Feb 20, 2026
