Professional services described as Davis™, Davis Dyslexia Correction®, Davis Symbol Mastery®, Davis Orientation Counseling®, and Davis Math Mastery® may only be provided by persons who are employed by a licensed Davis Specialist, or who are trained and licensed as Davis Facilitators by Davis Dyslexia Association International. Davis Autism Approach® is a trademark of Ronald D. Davis. Commercial use of this trademark to identify educational, instructional, or therapeutic services requires licensing by the trademark owner.