Dr. Nick Zenarosa, founder and chief executive officer of IES, currently serves as the chair of emergency medicine at John Peter Smith Hospital in Fort Worth where he oversees the ED, clinical decision unit, urgent care ED and Emergency Medicine Residency Program. Additionally, Zenarosa is the system medical director of emergency services for Baylor Scott & White Health. Zenarosa has overseen more than 20 regional and system-level initiatives for more than one million patient visits annually. Zenarosa’s career in emergency medicine began in 1995. Since then he has served as both faculty and attending staff at multiple teaching and trauma centers throughout Texas and is currently practicing at Baylor University Medical Center at Dallas, John Peter Smith Hospital and Baylor Scott & White Medical Center – McKinney. A fellow of the American College of Emergency Physicians, Zenarosa received his medical degree from the University of Illinois at Chicago College of Medicine. He completed an internal medicine residency at Parkland Memorial Hospital in Dallas and an emergency medicine residency at Carolinas Medical Center in Charlotte, where he was also the chief resident. Board certified by the American Board of Emergency Medicine and the American Board of Internal Medicine, Zenarosa also holds a master’s degree in molecular biology and a bachelor’s degree in human physiology, both from the University of Illinois.