Dr. Ali S. Khan is Dean and Tenured Professor of Epidemiology at the University of Nebraska Medical Center College of Public Health, and a Retired Assistant Surgeon General. He served at the Centers for Disease Control and Prevention (CDC) for 23 years before retiring as the director of the Office of Public Health Preparedness and Response. At the CDC, Dr. Khan led and responded to numerous high-profile public health emergencies, including Ebola, the Asian Tsunami, and Hurricane Katrina. In 2016 Dr. Khan published “The Next Pandemic: On the Front Lines Against Humankind’s Gravest Dangers” with William Patrick.