He received his PhD from Ohio University, with a specialization in Health Psychology and completed a behavioral medicine internship at the University of Massachusetts-Amherst Mental Health Services and a Primary Care/Specialty Clinic Post-doctoral Fellowship at the Edward Hines Jr. VA Hospital. Dr. Cosio has given several presentations in health psychology at the regional and national levels. He also has published several articles on health psychology, specifically in the area of patient pain education. He achieved specialist certification in clinical health psychology by the American Board of Professional Psychology in 2017.