The Ballot Brief
Missouri
Candidate profile

Mark J. Welker

Republican · Missouri · 2026 · Incumbent

On the ballot

Cape Girardeau County Prosecuting AttorneyMissouri · 2026Cape Girardeau County sample ballot
Biography

Mark J. Welker holds a bachelor's degree from Southeast Missouri State University and a law degree from Southern Illinois University, and has practiced law in Cape Girardeau County since 2013. He was appointed Cape Girardeau County Prosecuting Attorney by Gov. Mike Parson in August 2018 and has served in the office since, per KRCU. He was named one of the Missouri Association of Prosecuting Attorneys' 2025 Prosecutors of the Year and co-chairs the association's legislative committee, per KBSI FOX23. No campaign website was found as of September 6, 2026.

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How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified September 25, 2026. Official sources are the final word on who appears on your ballot.

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