The Ballot Brief
Illinois
Candidate profile

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Brad Sandefur

Libertarian · Illinois · 2026

Running for Cook County Sheriff, Illinois

Top priorities

From the campaign site

  • Modify the SAFE-T Act and pretrial policy to strengthen public-safety safeguards for repeat offenders
  • Expand mental health and addiction diversion programs as alternatives to incarceration
  • Strengthen deputy training and operational readiness
Biography

Sandefur has served in the Cook County Sheriff's Office since 1990, more than 30 years, in roles including correctional officer, police officer, tactical officer, investigator, academy instructor, and shift commander, per the campaign site. Sandefur is a former U.S. Marine and holds a master's degree in criminal justice with a forensic psychology focus, per the campaign site.

Campaign site (opens in a new tab)

On the ballot

Cook County SheriffIllinois · 2026Cook County sample ballot

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Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 15, 2026. Official sources are the final word on who appears on your ballot.

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