Steven Casstevens is the Chief of Police with the Buffalo Grove, IL Police Department. He began his law enforcement career in the Military Police with the U.S. Army’s 101st Airborne Division in 1976. In 1979 he left the Army and worked for the Mendota, IL Police and Peru, IL Police, prior to being hired in Hoffman Estates in 1981.

He retired in 2011 as an Assistant Chief with the Hoffman Estates, IL Police Department, where he served for nearly 30 years. He then served as Chief of Police with the Cary, IL Police Department for 2 ½ years prior to being hired in Buffalo Grove.

Casstevens has served as a member of the IACP Executive Committee, as the President of the Illinois Association of Chiefs of Police, as the IACP SACOP representative for Illinois, and as a member of the IACP Highway Safety Committee. He has authored numerous articles for Police Chief Magazine, Command Magazine and Law and Order. He served as an adjunct instructor for Northwestern University Center for Public Safety for the School of Police Staff & Command.

Casstevens is a graduate of the 51st class of Northwestern University’s School of Police Staff & Command (1991), the Executive Management Program and a member of the 216th session of the FBI National Academy (2004). He received his bachelor’s degree in Criminal Justice Management from Judson University, and is a Certified Police Chief through the Illinois Association of Chiefs of Police.