Davis®, Davis Autism Approach®, Davis® Stepping Stones, and Davis Concepts for Life® are trademarks of Ronald D. Davis & Alice E. Davis, Trustees of the Ronald D. Davis and Alice E. Davis Living Trust, dated June 8, 2017. Professional services described as Davis Autism Approach® or Davis Concepts for Life® may only be provided by persons who are trained and licensed by the Ron Davis Autism Foundation.