Valerie Sheridan D.O., DFACOS, FACS is the Dean of AT Still University School of Osteopathic Medicine in Arizona. She is an Assistant Professor in Surgery. Dr. Sheridan was in general surgical practice for twenty years. Dr. Sheridan is a member of the American Osteopathic Association (AOA). She is a distinguished fellow and past president of the American College of Osteopathic Surgeons (ACOS) and currently remains involved furthering the education of students, residents and physicians. She is a member and fellow of the American College of Surgeons (ACS) and has participated in the ACS Surgical Coalition in advocacy efforts. She is a member of the Arizona Osteopathic Medical Association and the Arizona Public Health Association.