The third generation in a family of law enforcement officers, Jim began his career with the Lombard, IL Police Department in 1980. Holding positions from patrol officer to Lieutenant, he was selected as the first Commander of Investigations for the newly formed DuPage County Major Crimes (Homicide) Task Force in 1998. Lt. Glennon has a BA in Psychology and a Master’s Degree in Police Management.

A graduate of the Staff and Command college at Northwestern University Jim was elected class president, won the prestigious Kreml Leadership award and upon graduation immediately joined the adjunct instructor staff.

Teaching various courses for both law enforcement and private industry, Jim specializes in three fields: Officer Safety (The Street Survival Seminar), Communication (Arresting Communication & The Warrior’s Edge), and Leadership (Finding the Leader in You).

Lt. Glennon is a featured writer for both Law Officer Magazine and lawofficer.com. He won the acclaimed “MAGGIE” Award for Columnist of the Year and is the author of the book: Arresting Communication.

In 2012 Jim’s company Lifeline Training acquired Calibre Press and the Street Survival Seminar. He is the first law enforcement officer to own the company in its 30 year history.