He was the founder and CEO of PRM, Inc., a company consulting with state workers compensation agencies and private insurance carriers , planning to return injured workers to gainful employment. He also owns HealthCare CostControl, Inc., an independent medical bill auditing company and Professional Real Estate Management Company which manages properties in the greater Kansas City Area.

Mike is trustee and investment advisor for the PRM employee profit sharing plan and trust. Mr. Kiegerl has taught at the college level for several years such courses as Money Credit Banking, Business and Economics, Marketing, International Economics, Organizational Behavior, Business and most recently Macroeconomics. He has also taught at a Catholic high school for one year. He is personally committed to assuring the best possible education for all students in the district. He has also become a Certified Rehabilitation Counselor and has been certified by the American Board of Vocational Experts.

In addition to his duties as representative for the 43rd District, S. Mike Kiegerl is also currently chairman of the Committee on Childrens Issues, vice-chairperson of the Commerce and Labor Committee, member of the Health and Human Services Committee and Insurance & Financial Institutions Committee.