Craig Cook, MD is the Medical Editor for Sport Diver Magazine and a referral physician for Divers Alert Network. With a background in Anesthesiology, Dr. Cook has been a consultant to the National Oceanographic Atmospheric Administration (NOAA) and other institutions as a diving medical officer on various expedition projects. An avid photographer, his photos have been published internationally. He is a scuba instructor and has been actively diving for 40 years.