Robert F. Onder, Jr.
RepublicanU.S. Representative, MO-3| Age | 64 (b. 1962-01-06) |
| Gender | Male |
| In office since | 2025-01-03 (~1 yrs) |
| Religion | Roman Catholic |
| Education | Graduated St. Louis University High School (1980); BA from Washington University in St. Louis (summa cum laude); MD from Washington University School of Medicine (1987); JD from Saint Louis University School of Law |
| Prior occupation | Physician (allergy, asthma, and clinical immunology private practice, owner of Allergy and Asthma Consultants PC for over 30 years); Attorney; President and Principal Investigator at Midwest Clinical Research, LLC |
| Military service | No |
| Birthplace | St. Louis, Missouri |
| Marital status | married — Allison Onder |
| Children | 6 |
| Residence | St. Charles County, Missouri |
Pending research: race / ethnicity · languages · notable relatives · openly lgbtq.
Career & politics
| First elected | 2006 |
| Previous offices | Missouri House of Representatives, District 13 (2007–2009) · Missouri Senate, District 2 (2015–2023) |
| Committees | Committee on Education and the Workforce · Committee on the Judiciary · Committee on Transportation and Infrastructure |
| Caucuses | Congressional Pro-Life Caucus (Co-Chair, appointed June 2025) |
| Leadership | Assistant Majority Floor Leader, Missouri Senate · Chairman, Missouri Senate General Laws Committee · Co-Chair, Congressional Pro-Life Caucus (2025) |
| Ideology | Strongly conservative; 100% rating from American Conservative Union; 92% lifetime rating from Club for Growth; co-founder of Missouri Senate Conservative Caucus; endorsed by Missouri Right to Life and NRA |
| Signature legislation | Chloe Cole Act (H.R.) — federal ban on gender-transition procedures for minors, transmitted to Congress by DOJ under Trump Executive Order 14187 (2025–2026) · SPACE Act (H.R. 3424) — Shared Property Agency and Collaboration and Engagement Act, passed House (2025) · Student Financial Clarity Act (H.R. 6498) — bipartisan higher education cost transparency bill, passed committee (2025) · Government Union Accountability Act — Missouri Senate legislation reforming public-sector union recertification, dues authorization, and collective bargaining transparency (signed into law during Missouri Senate tenure) · Missouri Right to Work legislation — Missouri Senate (signed into law 2017, later repealed by voters) · Endorsement Transparency Act — federal bill regulating labor union endorsements (introduced 2025) |
Financial
Net worth: disclosed + (2024) · estimate
| Allergy and Asthma Consultants, PC (100% interest) | business_owned · $1,000,001–$5,000,000 · 2024 |
| American Funds 2025 Target Date Fund (401k) | fund · $1,000,001–$5,000,000 · 2024 |
| Ameriprise Financial Money Market | fund · $15,001–$50,000 · 2024 |
Scandals & crimes ledger
No recorded incidents. Under the adjudicated-only methodology, an entry appears only when a court or official body has formally acted and the record is cited.