Dr. Offerdahl is a 1981 graduate of Washington University School of Dental Medicine. He is a member of the American Dental Association, Colorado Dental Association, Metro Denver Dental Association, American Orthodontic Society, International Congress of oral Implantologists, American Congress of Implantologists, Dental Organization of Conscious Sedation and the International Association of Orthodontics. Dr. Offerdahl is also a Master of the Academy of General Dentistry and an alumnus of the L.D. Pankey Institute. He is also Invisalign trained.