Tobin Efferen, MD, MS, has practiced emergency medicine on the south and west side of Chicago for the last 15 years. Initially interested in marine biology, Dr. Efferen switched gears after a brief stint at the New England Aquarium in Boston. As a laboratory technician at a biotech startup in Connecticut, he performed both basic and translation biobehavioral research on novel antipsychotic compounds. After receiving a master’s degree in Neurobehavioral Biology from NYU, he continued on to the NYU School of Medicine for his MD. He went on to complete a residency in emergency medicine at the University of Chicago. After graduating he stayed on at Mount Sinai Hospital as an attending, covering both Holy Cross Hospital and Mount Sinai Hospital in the Sinai Health System. As the Assistant Medical Director for the Emergency Department, Dr. Efferen oversaw the quality program and was the Director of the clerkship in emergency medicine for six physician assistant programs in the Chicagoland area.