Missouri › Jefferson County › Jefferson County Executive
2 candidates are tracked for Jefferson County Executive on the November 3, 2026 ballot: Tim Whitney and David Frank. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.
Open seat: incumbent Dennis Gannon is not seeking re-election. August 4 primary result: Tim Whitney won the Republican nomination with 65.71 percent (16,907 votes) over John Stockton, and David Frank won the Democratic nomination with 50.48 percent (6,902 votes) over Anthony Dwayne Ruble (49.52 percent, 6,770 votes), per the Jefferson County Clerk's official primary results summary.
Tim Whitney is the undersheriff and chief financial officer of the Jefferson County Sheriff's Office, where he has worked since 2002, per Leader Publications. No campaign website or questionnaire response was found as of September 6, 2026.
2026 priorities
- Wants an efficient county government that spends taxpayer dollars wisely, per Leader Publications
- Would seek funding for county transportation infrastructure while preserving the county's scenic character, per St. Louis Public Radio
- Says data center development proposals should be evaluated case by case with full public information, per St. Louis Public Radio
David Frank is an enterprise transformation and mergers and acquisitions integration executive, per Leader Publications. No campaign website or questionnaire response was found as of September 6, 2026.
2026 priorities (per the Leader Publications)
- Says voters want more transparency in county government
- Wants the county to be less reactionary and do more forethought and self-planning
