Professional services described as Davis™, Davis Dyslexia Correction®, Davis Symbol Mastery™, Davis Orientation Counselling™, Davis Math Mastery™, Davis Attention Mastery™, Dyslexia the Gift® and Gift of Dyslexia® 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.