Steven Ziviello


Sergeant Ziviello started his law enforcement career with the Aldan Police Department as a part time patrolman in 1995. After serving with the Upper Darby Township Police Department and the United States Department of Defense, Sergeant Ziviello returned to the Aldan Police Department where he has been serving in a full time capacity since January 2005. Along with regular duties, he is assigned to the department’s Police Mountain Bike Patrol Unit and serves as a firearms instructor as well as a Field Training officer (FTO). Currently Sergeant Ziviello serves as a member of Delaware County Region 1 Emergency Response Team (ERT) and Delaware County Chief’s Honor Guard.

Sergeant Ziviello is a graduate at the Delaware County Municipal Police Academy, the Sarasota County Technical Institute of Fire Science and the United States Drug Enforcement Administration’s (DEA) Narcotic Investigator School. He has also attended the FBI Intercounty Detective School.

Department Memberships

DepartmentJob titleDate Served - If Applicable
Active Membership