Dr. Walls is an internationally known expert in the field of emergency medicine and senior editor of Rosen's Emergency Medicine, 7th Edition. He is currently Chairman of the Department of Emergency Medicine at Brigham & Women’s Hospital.
Dr. Walsh is a pediatrics professor at Case Western Reserve University School of Medicine and Chief of Neonatology at Rainbow Babies & Children's Hospital, Cleveland, Ohio. She is author of Fanaroff and Martin's Neonatal-Perinatal Medicine.
Dr. Walters earned his MD at the Ohio State University College of Medicine & Public Health and is currently a professor and Vice-Chair of Gynecology at the Cleveland Clinic as well as author of Hysterectomy for Benign Disease.
Dr. Warren is an author and editor of numerous texts within the field of facial aesthetic surgery, including a volume in Plastic Surgery, 3rd Edition. He is currently a clinical professor at the University of British Columbia, Vancouver.