Bob Onder

Bob Onder and his wife, Allison, have six adult children and live in St. Charles County, where he enjoys hunting and time with his family.¹ He opened an allergy, asthma and clinical immunology practice in 1992 and spent more than 30 years treating Missourians.¹

Onder earned his medical degree at Washington University School of Medicine in St. Louis and his law degree at Saint Louis University School of Law.¹ His political career began with election to Missouri House District 13 in 2006.¹ He later won a state Senate seat in 2014 and served two terms, including time as assistant majority floor leader, before reaching the term limit in 2022.¹

He was elected to Congress in 2024 and sworn in on January 3, 2025.¹ His committee assignments are Judiciary, Transportation and Infrastructure, and Education and the Workforce.¹ In his 2026 voter guide response, he emphasized tax relief, reducing government waste and supporting President Trump's agenda.²

Onder introduced the Chloe Cole Act of 2026, which would create a federal civil claim against medical professionals, hospitals and clinics involved in specified gender transition treatments provided to minors.³ The proposal includes damages and an extended filing period, with exceptions for certain medical conditions and corrective treatment.³