Onder, Robert F.

Bob Onder represents Missouri's 3rd Congressional District as a member of the Republican Party. Before entering the U.S. House of Representatives, he established a career as a physician and served in the Missouri State Senate, where he was known for his conservative leadership. His professional background in medicine often informs his legislative approach to healthcare and labor policy. In the House, he serves on several high-profile committees, including the Committee on the Judiciary, the Committee on Education and the Workforce, and the Committee on Transportation and Infrastructure. Through these assignments, he works on subcommittees dedicated to the Constitution and limited government, immigration integrity, and aviation. His legislative priorities include fiscal responsibility, protecting self-insurance options, and reforming environmental regulations. He has sponsored notable legislation such as the Chloe Cole Act of 2026 and the Child Care Integrity Monitoring Act of 2026. Additionally, he has advocated for local Missouri interests through bills like the America's National Churchill Museum National Historic Landmark Act and has sought to amend the Clean Air Act to limit federal oversight of certain greenhouse gases.