Mike Knetzger served as a Wisconsin law enforcement officer for nearly 30-years and retired in 2022 as a patrol sergeant with the Green Bay Police Department (GBPD). Knetzger has earned a doctoral degree in criminal justice management (Colorado Technical University), a master’s degree in public administration (University of Wisconsin - Oshkosh), a bachelor’s degree in justice and public policy (Concordia University - Wisconsin), and an associate degree in police science (Waukesha County Technical College). He is a certified Department of Justice Unified Tactical Trainer/Instructor, Wisconsin Technical College Instructor, and has been teaching part-time for the past 22-years for Northeast Wisconsin Technical College (NWTC). He teaches in the criminal justice program, police academy, and on specialized law enforcement topics, and is also affiliated with doctoral-level programs at CTUonline. Knetzger has testified as an expert witness in use-of-force and standard field sobriety cases and has consulted for police chiefs, plaintiff attorneys, and other law enforcement leaders related to use-of-force, policy and procedure, and other contemporary policing issues.