Dr. Clark is a Pediatric Emergency Medicine Physician at Nationwide Children’s Hospital and an Emergency Medicine Physician at the OSU Wexner Medical Center.  He is dually trained in pediatrics and emergency medicine with a career-long focus in disaster preparedness and response. He currently serves as the site-principal investigator for Nationwide Children's Hospital in the Region V for Kids Pediatric Disaster Center of Excellence. He also serves as the co-lead of the Trauma workgroup in Region V for Kids. He is the domain leader for Health Information Portability in the Pediatric Pandemic Network. He has presented nationally and internationally on topics including pediatric mass casualty incident response, disaster management systems improvement, and advancing academic research in pediatric disaster medicine. His areas of expertise within pediatric disaster medicine include unit-specific response plans, hospital emergency management, and health information exchange.