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Bob Onder with family on stairwellSenator Robert F. (Dr. Bob) Onder is a lifelong Missourian. Senator Onder is finishing his second term representing the 2nd District in St. Charles County in the Missouri State Senate, and he is currently running for St. Charles County Executive.

Bob received his A.B. and his M.D. from Washington University in St. Louis, and his J.D. from St. Louis University School of Law. Prior to his entry into politics, Senator Onder worked as a medical doctor who is board certified in Allergy and Immunology as well as in Internal Medicine, a practice which he continues today. He is a small businessman who is the founder and principal investigator of Midwest Clinical Research, L.L.C.

Prior to his election to the state Senate, Senator Onder served one term as a State Representative for the 13th District of the Missouri House from 2007-2008. In 2014, he was first elected to the state senate. In 2015, his first year in the senate, he was elected Assistant Majority Floor Leader, and received numerous awards from state organizations, notably the Missouri Chamber of Commerce’s Freshman Legislator of the Year, Missouri Century Foundation’s Legislator of the Year and “Champion of Freedom” by the Missouri Alliance for Freedom. He has earned the endorsement of Missouri Right to Life and the National Rifle Association, and has an A+ rating from the later group. He has earned 100% ratings from the American Conservative Union and the National Federation of Independent Businesses. Senator Onder currently sits on a number of committees, including Education and Ways and Means, is the Vice Chair for the Committee on Judiciary and Civil and Criminal Jurisprudence, and the Chairman on the Committee on Health and Pensions.

Sen. Onder has been an advocate of ethics reform, job creation, and personal liberty. Under his time in the senate he worked tirelessly to cut individual and small business taxes and end the personal property tax. He helped to establish a regulatory framework for transportation networking companies, ending a legislative battle that had been raging for years. He was the author of SB 5 in 2017, which Missouri Right to Life called the most important pro life bill in Missouri history. Also in 2018 he passed important school choice legislation, in the form of SB 603, the Missouri 21st Century Course Access Act. He was instrumental in the passage of the 2019 prolife “Heartbeat Bill,” H.B. 126, as well as the 2016 Constitutional Carry and 2019 Second Amendment Protection Act bills.

In addition to his medical and legislative careers, Senator Onder is involved with a number of independent organizations. Sen. Onder is a member of the Missouri State Medical Association, a life member of the National Rifle Association, and a former board member of Missouri Right to Life. He is also a member of the St. Charles, O’Fallon and Western St. Charles County Chambers of Commerce, and a former board member of the Catholic Medical Association.

In his personal life, Sen. Onder is married to his wife Allison, and is a father of six children. He is a member of St. Gianna Catholic Church and the Knights of Columbus. He and his family reside in Lake St. Louis, Missouri. He enjoys running, hunting, and general aviation.


For more information on Dr. Bob, please check his Wikipedia link here.