Dr. Soyer is an international authority on mole and melanoma screening and chair of the Dermatology Research Centre at the University of Queensland School of Medicine. He is co-author of Dermoscopy, 2nd Edition.

Dr. Spaeth is a Research Professor at Wills Eye Institute in Philadelphia who is recognized around the world as a foremost authority on glaucoma. He is also an author of the text, Ophthalmic Surgery, 4th Edition.

Dr. Sperling earned his MD at the University of Melbourne and is currently a pediatrics professor at the Children’s Hospital of Pittsburgh/University of Pittsburgh School of Medicine and author of Pediatric Endocrinology, 3rd Edition.

Dr. Spiegel received his MD from the Universite Laval in Quebec and is a psychiatry & behavioral sciences professor at Albert Einstein College of Medicine. He is co-author of Psychiatry Test Preparation & Review Manual.

Dr. Spiro is head of the Department of Thoracic Medicine at University College London Hospitals NHS Trust and chair of the London Lung Cancer Group as well as an editor of Clinical Respiratory Medicine, 4th Edition.