Dr. Roy Houston is professor emeritus of biology at Loyola Marymount University (LMU) in Los Angeles, where he was in charge of the marine biology program. At LMU he taught various courses in marine biology and marine ecology. Dr. Houston is also the founder and director of the Loyola Marymount University Baja California Biological Station which is located south of San Felipe, Baja California, Mexico. Every summer for over twenty-nine years he gave an upper division field course called Marine Ecology of Baja California and has published a field guide on the natural history of desert and marine life in the area. In addition, Dr. Houston is on the visiting faculty of the Roatan Institute for Marine Sciences where he teaches Tropical Marine Ecology and has been involved with coral reef monitoring projects. Dr. Houston and his LMU students have been active in local underwater research projects along the coast of California and Baja California.
Dr. Houston is a NAUI and PADI instructor and a member of the American Academy of Underwater Sciences (AAUS). He is the dive safety officer at LMU and a former member of the national board of directors for AAUS. In addition, he is a member of the Dive Control Board at the Aquarium of the Pacific, where he helps with the AAUS Scientific Diver Certification Course. He is also a member of the Scientific Advisory Committee at the Aquarium. In addition, Dr. Houston is a member of Reef Check and is involved in Reef Check training programs, and is a member of the Dive Control Board for the Cabrillo Marine Aquarium.