Grey La Certe has worked in emergency services for more than three decades, beginning in 1988 in the volunteer sector with search and rescue, emergency communications, and disaster relief before expanding into government service. For 25 years, Grey worked in Colorado law enforcement and served in the two largest metropolitan areas in the state. His roles included dispatch, detentions, patrol, crime prevention, and emergency management. After retiring from law enforcement, Grey continued to work in emergency management at the state level and responded to some of the largest disasters in state history.