Dr. Charash is a National Oceanic and Atmospheric Agency (NOAA/UHMS) Trained Dive Medicine Physician. He is Board Certified in Undersea and Hyperbaric Medicine and Emergency Medicine. He is Medical Director of a Hyperbaric Medicine program in the Northern Virginia Area. Dr. Charash has lectured at the United States Coast Guard Academy, and the United States Navy, Naval Undersea Medical Institute. Dr Charash lectures locally and nationally on various topics of dive safety, dive technology and dive Medicine. Dr Charash is a Divers Alert Network (DAN) Instructor and DAN Referral physician. Dr. Charash is founder and principle of Dive Medicine and Hyperbaric Consultants LLC.