Cathie has been scuba diving and sharing her experiences with readers since 1981. Her articles on shipwrecks, scuba diving and ocean-related issues have appeared in Sports Illustrated, Outside, Caribbean Travel & Life, N.J. Monthly, NY Outdoors, Underwater USA, and numerous other publications. She is the author ofShipwrecks. Cathie was certified as a scuba instructor in 1986. She has participated in expeditions to the wrecks of the Andrea Doria and the USS Monitor.