Keidan was Chief Resident for the Department of Pediatrics at Sheba Medical Center where he also completed his rotating internship. He earned his medical degree from Sackler School of Medicine at Tel-Aviv University in Israel. He then completed a residency in Anesthesiology at the University of Florida. His fellowship was in Pediatric Anesthesiology, which he completed at the Children’s Hospital of Pittsburgh in Pennsylvania. Dr. Keidan is a Diplomat of the American Board of Pediatrics and the American Board of Anesthesiology. He is also a member of several professional societies such as the American Society of Anesthesiologists, Israeli Society of Anesthesiology, and the European Society of Anesthesiology. He has made tremendous contributions to publications in the field.