Aaron G. Koeppen at a glance
- Current role
- Circuit Judge
- Jurisdiction
- Missouri · State
- Judicial service
- Active
Aaron G. Koeppen
Circuit Judge · Missouri 26th Judicial Circuit Court
Biography
Professional career
- The Presiding Judge of the 26th Judicial Circuit Court of Missouri, Department 3, serving since November 3, 2020, after being elected to fill a vacancy created by the retirement of Hon.
- Prior role: Associate Judge for the 26th Judicial Circuit since 2011, where he led the creation of the Veterans Treatment Court
Education
Additional information
- Judge Koeppen presides over the 26th Judicial Circuit, which includes Camden, Laclede, Miller, Moniteau, and Morgan counties.
- He is the Presiding Judge for the circuit and is recognized by the Missouri Supreme Court for leadership in timely case processing, particularly in child abuse and neglect cases
- Judge Koeppen has been recognized for his circuit’s 20-year streak of receiving the Permanency Award from the Missouri Supreme Court for excellence in handling child abuse and neglect cases on time.
- He has also held the role of an adjunct professor at local colleges
Applicable Court Rules & Procedures
Media Equipment Advance Approval
Statewide
Missouri Court Operating Rule 16 requires advance approval for media equipment used for courtroom coverage and allows the judge to control the number and setup of media personnel and equipment.
Failure to obtain advance approval for equipment may preclude its use in the proceeding.Missouri Court Operating Rule 16.04, Technical ↗
Device Use In Courtroom
Statewide
Missouri courtroom device use for media coverage is not generally permitted unless authorized by the operating rule, a local court rule, or the judge presiding in the proceeding.
No person may use any device capable of media coverage in a courtroom or court clerk's office unless specifically authorizedMissouri Court Operating Rule 16.04, Technical ↗
Remote appearances
Statewide
Missouri allows limited video and audio recording for media coverage under COR 16 technical limits, subject to judicial approval and courtroom controls.
Not more than one videographer, using a single device, shall be permitted in the courtroom during a judicial proceeding at any time.Missouri Court Operating Rule 16.04, Technical ↗
Published courtroom rules
Shared court rules
Missouri Court Operating Rule 16.04, Technical
Missouri 26th Judicial Circuit Court
Scope is limited to the court class in the source claim. Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory.
Official source ↗ · Collected 2026-07-26Sources
Identity source checked July 26, 2026.
Biography sources checked July 26, 2026.
Missouri Secretary of State Official Manual official judicial roster
Identity source · HTML · Source checked July 26, 2026
View Missouri Secretary of State Official Manual official judicial roster ↗Missouri Court Operating Rule 16.04, Technical
Statewide source · HTML · Source checked July 26, 2026
View Missouri Court Operating Rule 16.04, Technical ↗