John D. Wiemann

MO State Representative, R-103

 John Wiemann, was first elected in 2014 and re-elected in 2016, 2018, and 2020 to the Missouri State Legislature.  He represents a part of St. Charles County which includes the cities of Cottleville, St. Peters, O'Fallon and Weldon Spring.  


Representative Wiemann is a member of several key House committees; Insurance, Health & Mental Health, Rules - Administrative Oversight, and Fiscal Review.  Wiemann serves as Vice Chair of Insurance and Chair of the Insurance Sub-committee.  In the state legislature, Representative Wiemann is recognized as the leading expert in healthcare and insurance-related issues. 

When away from the general assembly Rep. Wiemann is President & CEO of Midwest Physician


Insurance Advisors, an insurance brokerage firm that specializes in medical malpractice insurance.  John has over twenty years of healthcare and insurance industry related experience working for hospitals, physician groups, a physician staffing company, health insurance carrier, regional and national captive insurance companies, along with several small, medium and large insurance brokerage firms.  


John is an active member of his community where he attends Assumption Catholic Church, serves on the board of directors for the Jr. GAC youth football league, referees youth sports, and belongs to several local charitable service clubs such as the Knights of Columbus, Lions Club, and Pachyderm Club.


John has a Bachelor of Science Degree in Business Administration along with a Masters of Health Administration from the University of Missouri in Columbia.  John resides in O'Fallon, Missouri with his wife Yvette, and two sons, Blake and Clayton.