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Colonel John L. Prieschl is a career law enforcement professional with approximately 33 years of local law enforcement experience. He is responsible for overseeing the Department of Professional Compliance, which is comprised of Legal Affairs, the Division of Internal Affairs, the Training Division, and Staff Inspections (policy/accreditation).

Colonel Prieschl was born and raised in West Palm Beach, Florida. He began his law enforcement career in 1988 with the Jupiter Police Department. He was hired by the Palm Beach County Sheriff’s Office in January of 1993. His training and experience is diversified to include assignments in Vehicle Homicide Investigations, Training Division, Field Training Program, Internal Affairs, Court Services, and Patrol Operations. He started promoting through the ranks in early 2000 and eventually commanded a Patrol District, the Training Division, and Internal Affairs before being promoted to the rank of Major in 2017. In 2021, he was promoted to Colonel to oversee the aforementioned Department of Professional Compliance.

Colonel Prieschl earned his B.A. Degree (Cum Laude) from Florida Atlantic University in 1999. He graduated with his M.B.A. (honors) from FAU in 2002. In 2010, he graduated from the Shepard Broad School of Law at Nova Southeastern University with his J.D., Dean’s List Honors. He’s a Dean’s Scholar graduate of the 109th Administrative Officer’s Course at the Southern Police Institute through the School of Justice Administration at the University of Louisville. He’s a graduate of the 13th Annual Florida Executive Development Seminar, offered through the F.B.I. He completed the FBI-LEEDA leadership courses and received the Trilogy Award. In addition, he’s a graduate of the 73rd Session of the Senior Management Institute for Police, offered through the Police Executive Research Forum.