Peoria County Sheriff’s Office: Administration
The Peoria County Sheriff's Office organizational chart lists three Undersheriffs and a Finance Director. Second in command in our department is the Chief Deputy. Responsible for Corrections is the Jail Superintendent. In charge of all Commissioned Personnel is the Field Operations Commander. The Finance Director is responsible for all the financial strategies, procedures and activities within the Sheriff's Office. These are the men and women that make it happen in the name of and for the Sheriff:
Chief Deputy Joseph M. Needham
Chief Deputy Joseph Needham was commissioned in 1978, and was promoted to Lieutenant in 1993. He was appointed to the position of Captain in 1994 and Chief Deputy in June of 2002. Chief Deputy Needham spent most of his career in Patrol Division, with temporary assignments in the M.E.G. Unit, the Detective Division, and the Warrant Division. Chief Needham has served as a Field Training Officer and as a member of the tactical (S.T.A.R.) Team. Chief Deputy Needham is a graduate of Illinois Central College, Bradley University, and the Northwestern University School of Police Staff and Command. Chief Deputy Needham received the Deputy of the Year Award in 1982 and has received numerous other Departmental Awards and Commendations.
Corrections Superintendent Brian Asbell
Corrections Superintendent Brian Asbell began his career with the Peoria County Sheriff's Office as a Correctional Officer in 1995. In 1997 he was promoted to Correctional Sergeant and then later became a commissioned Deputy in 2001. As a Deputy Sheriff, Superintendent Asbell was assigned to the Patrol Division until 2006 where he was then assigned to the Detective Division, where he remained until his promotion to Corrections Superintendent in 2010. Corrections Superintendent Asbell received the Correctional Officer of the Year award in 1998 and 2000 and has received numerous other Departmental Awards and Commendations. In his current assignment, Superintendent Asbell oversees all Jail operations.
Captain Mark J. Greskoviak
Captain Greskoviak began his law enforcement career in 1986 working part time for the City of Minonk. Captain Greskoviak was then hired by the City of Wenona Police Department in 1987 and remained there until 1988. He then started with the Peoria Park District Police Department in 1988 and remained there until 1990. Captain Greskoviak began his career with the Peoria County Sheriff's Office in 1990 in the Patrol Division. He was assigned to the Detective Division in 1992, and was promoted to Lieutenant in 2002. Captain Greskoviak is a past Commander of the Detective Division, Dare, Patrol, and the Crime Lab. Captain Greskoviak is over all commissioned personnel in his current assignment. Captain Greskoviak is a graduate of Illinois Valley Community College, as well as the Northwestern School of Police Staff and Command. Captain Greskoviak received the Deputy of the Year award in 1999, as well as numerous other Departmental Awards and Commendations.
Captain Douglas M. Gaa
Captain Gaa began his law enforcement career with the Peoria County Sheriffs Office in 1993 in the Patrol Division. He was part of the implementation of the Community Policing Program, serving as a Community Police Officer for the City of West Peoria. As a Deputy with the Peoria County Sheriff's Office, in addition to his patrol assignments, he fulfilled additional roles as a Master Firearms Instructor and a Tactical Team Operator. He received the Deputy of the Year Award in 1998. He was promoted to Lieutenant in 2002 being assigned to the Patrol Division. In 2009 he was assigned the Tactical Commander of the Central Illinois Emergency Response Team and the Tactical Commander of the Illinois Law Enforcement Alarm System (ILEAS) Weapon of Mass Destruction Special Response Team. Captain Gaa is a graduate of Illinois Central College and Northwestern School of Staff and Command. In his current assignment, Captain Gaa is the supervisor over the Peoria County Courthouse Court Security and Civil Process Division.
Finance Director Denise Patton
Denise Patton joined the Sheriff's Office as the Finance Director in July 2003. She began her career with Peoria County in 1986 in the Human Resources Department, serving first as Senior Clerk for Personnel, then as Payroll Systems Coordinator, Compensation Manager, and Interim Human Resources Director. In 2003, Denise was recognized by the Peoria County Board for her dedication, service, and achievements which included implementing the County finance systems, transitioning Information Technology in-house, implementing many employee benefits, and serving as a management team member for numerous union contract settlements. Today, Denise is responsible for the development and implementation of the Sheriff's Office's $15.6 million budget, inmate trust accounts, grants management, and other finance-related projects.