Judge Zimmerman is an honors graduate and received both a Master's Degree and Law Degree from Gonzaga University. He was first elected in 1986, with nearly 70 percent of the vote. Judge Zimmerman has been appointed to two State Judicial Committees and has served as a Mentor Judge, training newly elected and appointed Judges statewide. He has taught college law courses and is a frequent lecturer in the community.
As a former criminal prosecutor for 10 years, he received law enforcement commendations at local, state, and national levels, including winning a landmark case in the Supreme Court on Victims' Rights. Judge Zimmerman was awarded the Local Hero Award in recognition for his work in establishing the Clark County Veterans Therapeutic Court in 2013.
Community involvement: Boards for Handicapped, Hospice, Special Olympics, Scouting and Blind School Volunteers. He has coached and officiated over youth sports for more than 20 years.