He was the Director of the Environmental Health Center – Dallas and the President of the American Environmental Health Foundation. He formerly held the First World Professorial Chair in Environmental Medicine at the Robens Institute at the University of Surrey in Guildford, Surrey, England, as well as other teaching appointments. He published many articles on Cardiovascular Surgery and Environmental Medicine, and he went on to write 10 books which included medical textbooks on Environmental Medicine. Currently, two books on electromagnetic frequency (EMF), which he recently completed, are in the process of being published. Dr. Rea was a member of many organizations, including the American Medical Association, the American Academy of Environmental Medicine, and the Pan American Allergy Society.