Ms. Coomler serves as CEO of Tucson Medical Center, ensuring the day-to-day operational excellence of Tucson’s largest hospital and TMC Health’s flagship facility, a 628-bed acute-care facility with more than 4,000 employees. As leader of Southern Arizona’s only locally governed nonprofit hospital, she oversees the region’s leading emergency and pediatric services, which serve more than 100,000 patients each year. Ms. Coomler is spearheading a transformative, three-phase renovation and expansion of the hospital’s adult and pediatric emergency departments, with phase 1 completed in February 2025 and full completion expected this year. She is also leading the hospital’s evolution into a high reliability organization, embedding continuous learning, systemwide process improvement and rigorous patient safety practices, with every employee participating in ongoing training. Under her leadership, the hospital earned designation as a “Gold Standard Top Hospital” by Castle Connolly and placement on Forbes‘ “America’s Best Employers for Women” list in 2025. Ms. Coomler serves on the boards of the Juvenile Diabetes Research Foundation, the Southern Arizona Leadership Council and Intermountain Centers.
