- Undersheriff Martin Nowak
- Chief Deputy Michael O'Leary - Adult Detention Facility
- Deputy Chief John McDowell - Enforcement / Patrol
- Deputy Chief Nate Romeo - Support Services
- Deputy Chief Jerry Nudera - Court Services
- Deputy Chief Gina Marotta - Adult Detention Facility
- Deputy Chief Brian Fink - Adult Detention Facility
Undersheriff Martin N. Nowak has over 37 years of service with the Will County Sheriff's Office. He has previously served in the Enforcement, Detention, and Administration Divisions. He holds a BA and MA in Business and Public Service from Governors State University, an MS in Social Justice from Lewis University and a Master of Strategic Studies from the U.S. Army War College. He is also a graduate of the FBI National Academy. He has published several articles in professional journals on topics dealing with training, corrections and law enforcement management issues.
Undersheriff Nowak is a Marine Corps veteran of the Vietnam War and an Army veteran of Operation Just Cause in Panama. He retired from the U.S. Army Reserve at the rank of Colonel. He and his wife Bridget reside in New Lenox, Illinois and are the parents of two sons, and the grandparents of four boys and one girl.
Chief Deputy Michael O’Leary joined the Will County Sheriff’s Department in January of 2003 after retiring from the Illinois Department of Corrections with over 29 years of service. While with the Illinois Department of Corrections he served in a variety of posts including Warden of the Stateville Correctional Center, Deputy Director and Deputy Chief of Operations.
Chief Deputy O’Leary holds a B.A. Degree in Political Science and a Masters Degree in Rehabilitation Counseling with a specialty area in Corrections from Southern Illinois University in Carbondale, Illinois.
Deputy Chief John McDowell has been a member of the Will County Sheriff's Office since 1988. As a Deputy he was assigned to the Patrol Division. He was promoted to Sergeant in 1996 and to Lieutenant in 2005. During that time he was a supervisor in the Patrol Division, Investigations Division and in the Corrections Division. In 2007, he was promoted to Deputy Chief of Support Services of the Adult Detention Facility and then to Security and Operations of the Adult Detention Facility. In 2011, he is currently the Deputy Chief of the Patrol Division.
Deputy Chief McDowell is a graduate from Joliet Junior College with an Associate's Degree in Applied Science. He is also a graduate from Northwestern Staff and Command and earned a Bachelor's Degree from Governor's State University in Criminal Justice.
Deputy Chief Romeo is a 24 year veteran with the Will County Sheriff’s Office. He began his law enforcement career with the Illinois Department of Corrections at the Stateville Correctional Center. He became a member of the University Park Police Department in 1983 before joining the Sheriff’s Office in 1984. He has worked in the patrol division, the correctional division and the narcotics unit. He twice received the Illinois M.E.G. Directors and Task Force Commanders award for his services in narcotics enforcement. He has served as Deputy Chief of Support Services in the Adult Detention Facility and is currently assigned as the Deputy Chief of Support Services in the Sheriff’s administration overseeing the departments Budget, Payroll, I.T Dept; Vehicle Fleet, Training, Crime Prevention and Building Maintenance.
Deputy Chief Romeo is a native of Washington D.C. He received his Bachelor's Degree from St. Martin’s College in Milwaukee, Wisconsin and is a graduate of Northwestern University School of Police Staff and Command. He and his wife, Vanessa, a Lockport native, reside in Joliet.
Deputy Chief Jerry Nudera began his Law Enforcement career in 1978. He has been a member of the of the Will County Sheriff’s Office since 1989. As a Deputy, he has been assigned to the Will County Adult Detention Facility and Evidence Unit. He was promoted to Sergeant in 1998 and Lieutenant in 2004. He has been a supervisor in the Adult Detention Facility, Crime Scene Investigations Unit and Court Security.
Deputy Chief Nudera is currently in charge of Court Services.
Deputy Chief Nudera received his Associate Degree in Law Enforcement from Morton College. He graduated, with honors, from Lewis University with a Bachelor of Arts in Criminal/Social Justice, and received his Masters Degree in Public Administration from Roosevelt University. He is also a graduate of the Northwestern University Center for Public Safety, School of Police Staff and Command Class #175.
Deputy Chief Gina Marotta has been a member of the Department since January of 1989. She has worked in the WCADF as a Correctional Deputy on staff and in training being promoted to Sergeant in 2003, Lieutenant in 2007 and Deputy Chief of Support Services in 2011.
Deputy Chief Marotta has attended the University of Illinois, Northwestern University and Joliet Junior College with concentration in Corrections and Supervision. She is also a graduate of Northwestern Supervision of Police Personnel.
Deputy Chief Brian Fink is a thirty–two year veteran of the Will County Sheriff's Office beginning his career in 1979 as a correctional officer, and becoming a Deputy Sheriff in 1986. Deputy Chief Fink has served in the Detention Division, supervising the Inmate Classification Unit, the Training Unit, and the Accreditation Unit. He was the Project Manager for the Will County Adult Detention Facility's - Jail Expansion Project that was completed 2009. He has served as the Director of Administrative Services, and most recently the Director of Support Services before being promoted to his current position of Deputy Chief of Operations.
Deputy Chief Fink is a consultant and lead trainer for the National Institute of Corrections, and has instructed "Direct Supervision Jail Operations" and "Interpersonal Communication with Inmates" in over thirty States across the Nation in over fifty different jurisdictions.
Deputy Chief Fink is a certified trainer for the Illinois Law Enforcement Training Board, and an auditor for the American Correctional Association's Accreditation Program. He is a graduate of the Illinois State Police Academy and Northwestern Illinois University, Center for Public Safety's - School of Police Staff and Command.