Mark Mugiishi is the president and CEO of HMSA. Dr. Mugiishi has also practiced and taught surgery in private practice and in association with the University of Hawaiʻi John A. Burns School of Medicine. Mugiishi was a general surgeon in the state for nearly 30 years and was associate chair of the department of surgery and director of surgical education at Burns. He co-founded the Endoscopy Institute of Hawaiʻi and the Eye Surgery Center of Hawaiʻi and was a medical director at Hawaiʻi technology accelerators.