--- title: "Matthew M. Krohn | KnowJudges" canonical: "https://knowjudges.com/kyj/judge/matthew-m-krohn-judge-missouri-3rd-judicial-circuit-court-mo" page_type: "judge_profile" updated: "2026-07-26" --- # Matthew M. Krohn Missouri 3rd Judicial Circuit Court · Judge ## Profile - Court: Missouri 3rd Judicial Circuit Court - State: Missouri - Role: Judge - Service status: active - Last verified: 2026-07-26 ## Summary Official statewide and applicable court procedural guidance applies to this judge. ## Before you appear - Read the judge-specific standing order first when one is listed. - Check the docket and case orders for requirements that supersede broader guidance. - Confirm current remote-access and courtroom technology arrangements before the proceeding. ## Courtroom Rules ### media equipment advance approval Scope: 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. Evidence excerpt: Failure to obtain advance approval for equipment may preclude its use in the proceeding. [Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354) Source checked: 2026-07-26 ### device use in courtroom Scope: 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. Evidence excerpt: No person may use any device capable of media coverage in a courtroom or court clerk's office unless specifically authorized [Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354) Source checked: 2026-07-26 ### audio video recording Scope: statewide Missouri allows limited video and audio recording for media coverage under COR 16 technical limits, subject to judicial approval and courtroom controls. Evidence excerpt: 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](https://www.courts.mo.gov/page.jsp?id=354) Source checked: 2026-07-26 ## Sources - [Official profile](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf) - [Official roster](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf) - [Missouri Secretary of State Official Manual official judicial roster](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf) - [Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354) ## JSON-LD ```json { "@context": "https://schema.org", "@graph": [ { "@type": "WebPage", "@id": "https://knowjudges.com/kyj/judge/matthew-m-krohn-judge-missouri-3rd-judicial-circuit-court-mo", "url": "https://knowjudges.com/kyj/judge/matthew-m-krohn-judge-missouri-3rd-judicial-circuit-court-mo", "name": "Matthew M. Krohn | KnowJudges", "description": "Matthew M. Krohn, Missouri 3rd Judicial Circuit Court. 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Krohn", "item": "https://knowjudges.com/kyj/judge/matthew-m-krohn-judge-missouri-3rd-judicial-circuit-court-mo" } ] } ] } ``` ## Biography ### Professional career - Officially sworn in on December 31, 2024 as the presiding judge of the 3rd Circuit Court, a role he began January 1, 2025 - Service: Elected Associate Judge of the 3rd Judicial Circuit in 2014, re-elected in 2018 held the role of Mercer County Associate Circuit Judge for 10 years before becoming presiding judge - The presiding judge of Missouri’s 3rd Judicial Circuit - He succeeded his long-time role as Mercer County Associate Circuit Judge, which he held for a decade - Key takeaway: Judge Matthew M. Krohn is a seasoned Missouri jurist with a decade of associate circuit service, now leading the 3rd Circuit’s judicial operations and a specialized treatment court program aimed at rehabilitation and public safety ### Education ### Additional information - overseeing courts in Grundy, Harrison, Mercer, and Putnam counties, and is also known for leading the circuit’s Treatment Court program ## Published courtroom rules ### Shared court rules - [Missouri Court Operating Rule 16.04, Technical](https://knowjudges.com/courtroom-rules/national-shared-set-b0a3408119d84bbcc3619511) — 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](https://www.courts.mo.gov/page.jsp?id=354). Collected 2026-07-26.