Dennis J. Zagrocki began his career in law enforcement in 1977 as an officer with the IHBRR Police Dept. In January of 1979 he began his career as a patrolman with the Schererville Police Department. He graduated from Bishop Noll High School in 1972 and received an Associate Degree in Criminal Justice from St. Jospeh's College in East Chicago. He currently holds the rank of Sergeant and was appointed as Acting Chief from June 1989 to January 1, 1990 and served as Chief of Police from January 1, 1990 through January 13, 1992. Sgt. Zagrocki also served as Deputy Chief from January 2005 through September 2008. He has worked in the patrol and investigative divisions as well as being the evidence manager.
In July 2018, Dennis was appointed to the position of Chief of Police.