---
title: "Robert Cornejo | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/robert-cornejo-mo"
page_type: "judge_profile"
updated: "2026-10-07"
---

# Robert Cornejo

Missouri 11th Judicial Circuit Court · Circuit Judge

## Profile

- Court: Missouri 11th Judicial Circuit Court
- State: Missouri
- Role: Circuit Judge
- Service status: expected
- Appointment: Appointed on February 26, 2026. [Missouri 11th Judicial Circuit Court](https://knowjudges.com/kyj/court/mo/missouri-11th-judicial-circuit-court)

## Summary

Robert Cornejo — Missouri 11th Judicial Circuit Court

## Biography

### Professional career

- Appointed on 2026-02-26 as Circuit Judge for Missouri 11th Judicial Circuit Court
- His 2026 appointment follows a period of legal practice and prior judicial service, making him one of the more experienced judges in the circuit
- Robert W. Cornejo is an appointed Circuit Judge for St. Charles County, Missouri, in the 11th Judicial Circuit, taking office on February 26, 2026, after a long career in public service and law
- Private Practice: Operates Robert Cornejo Law, LLC after his 2024 loss in the Republican primary for Division 4 judge
- Judicial Service: Appointed Associate Circuit Judge in St. Charles County Division 13 in 2022
- Previously associate circuit judge in the 11th Judicial Circuit
- Position: Circuit Judge, St. Charles County, Missouri, Division 4, 11th Judicial Circuit

### Education

- University of Missouri School of Law — J.D.
- degrees in political science and international business — Washington University in St. Louis

### Additional information

- Appointed: February 26, 2026, by Missouri Governor Mike Kehoe to fill the vacancy created by the removal of Judge Matthew Thornhill
- Former member, Missouri House of Representatives, District 64

## Sources

- [Governor Kehoe Announces Appointment to 11th Judicial Circuit](https://governor.mo.gov/press-releases/archive/governor-kehoe-announces-appointment-11th-judicial-circuit)

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