Darwin Remboldt, 63, has announced his retirement as president/CEO of Simi Valley Hospital (SVH) effective immediately. Caroline Esparza, senior vice president for patient care at SVH, will lead day-to-day operations while an executive search is underway for Remboldt's successor. Remboldt has led the team at SVH twice, first from 1984 to 1989 and again since 2008. Previously, he was vice president of Clinic Services for Adventist Health as well as president and CEO of Adventist Medical Center–Hanford and Central Valley General Hospital in Central California. Since beginning as a student worker in 1962, Remboldt has served in a variety of roles at other Adventist Health facilities: Adventist Medical Center–Portland, Glendale Adventist Medical Center and Sonora Regional Medical Center.