William Messick - Messick Services



William Messick
Messick Services

Jacksonville, FL 32225

904-318-1133

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William Messick
Messick Services

Expert Profile

904-318-1133


I am currently employed as a Sergeant with the Jacksonville Sheriff’s Office. I have been employed with this agency for the past thirty years. During this time, I have actively participated in personnel training for the past 21 years. I have managed the Field Officer Training Program for our department as well. I currently maintain several teaching certificates’ in the Law Enforcement and Correctional disciplines Criminal Justice Standards and Training Commission. I have also been certified as an “Expert Witness” in the areas of Breath Testing, Use of Force as well as Training Policy Issues for the State of Florida in the Fourth Judicial Circuit. I have extensive experience as a “Subject Matter Expert” with the Florida Department of Law Enforcement. I have also managed Accreditation Programs (C.A.L.E.A. and .A.C.A.) for the Jacksonville Sheriff’s Office. 
I have served terms on the Board of Directors and the Board of Trustees for the Fraternal Order of Police. I have participated in numerous employee contract negotiations and I have I have also attended courses with the Florida Criminal Justice Executive Institute, Center for Executive Studies and Florida Department of Law Enforcement Leadership Center as well.