Karen has been a diver for 20 years and a NAUI instructor for 17 years. She attended Duke University where she conducted research with DAN and their hyperbaric center. Karen is the recipient of the 1988 Our World Underwater Scholarship, and has been secretary of the Undersea and Hyperbaric Medical Society and president of its Pacific Chapter. She publishes and lectures internationally on diving medicine. Karen is director of UCSD Diving Medicine Center in San Diego, California.