Dan Raybon, director of the Cultural Unity Center, will retire Aug. 31 after 26 years of service at the University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder, according to Ron Stump, vice chancellor for student affairs. Raybon and his spouse, Professor Patricia Raybon of Å·ÃÀ¿Ú±¬ÊÓƵ-BoulderÂ’s School of Journalism and Mass Communication, will be working on their consulting venture, Christian Diversity Concepts, Inc., specializing in diversity education and training. Professor Raybon is taking a one-year leave of absence from the university.