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DuPage County Sheriff

John E. Zaruba


About the Undersheriff

Undersheriff Frank Bibbiano acts directly under the sheriff, and performs all the duties of the sheriff's office in his absence. Undersheriff Bibbiano also holds the title of Chief of the Law Enforcement Bureau directly managing patrol, detectives, forensics investigations, K-9, Bomb Squad, Special Operations, and the Narcotics and Gang Suppression units. Undersheriff Bibbiano has held many positions throughout the office including Operations Commander, Investigations Commander, Director of the Office of Professional Standards and Conduct, and has held the ranks of Colonel, Major, Lieutenant, Staff Sergeant, Sergeant, Detective and deputy in both Patrol and the Corrections Bureau.