Dr. Gilmartin is a behavioral scientist specializing in law enforcement and public safety related issues. He is the author of the book Emotional Survival for Law Enforcement: A Guide for Officers and Their Families. He previously spent twenty years working in law enforcement in Tucson, Arizona. During his tenure he supervised the Hostage Negotiations Team and the Behavioral Sciences Unit. He is a former recipient of the International Association of Chiefs of Police-Parade Magazine, National Police Officer Citation Award for contributions during hostage negotiations. He presently maintains a consulting relationship with public safety and law enforcement agencies in the U.S, Canada and Australia.
The Department of Justice, FBI, Royal Canadian Mounted Police, New South Wales Police and International Association of Chiefs of Police have published his work. He holds a doctoral degree in Clinical Psychology from the University of Arizona. He is a veteran of the U.S. Marine Corps and resides in Tucson, Arizona and Bend, Oregon.