Jack Enter has been associated with the field of criminal justice since 1972 when he began his career as a law enforcement officer. Since that time, he has worked as a street police officer, detective, vice/narcotics investigator, and as the administrator of a law enforcement agency in the suburbs of Atlanta. He obtained his Ph.D. in 1984 and has served as a professor and administrator in the university setting and served as Director of Information and Education for the Governor's Criminal Justice Coordinating Council. He was also one of the research associates assigned to the planning of the security component of the 1996 Summer Olympic Games in Atlanta.

He has lectured throughout the United States and abroad to such groups as the American Academy of Forensic Sciences, Great Britain's New Scotland Yard, and the Moscow Police Command College. He recently published his first book: Challenging the Law Enforcement Organization: Proactive Leadership Strategies.

He lives in Auburn, Georgia, with his wife Barbara. They have two sons and one daughter as well as five grandchildren.