David graduated from and received his credentials from the Hypnosis Training Institute of Santa Barbara under the instruction of Jennifer Jennings, M.A. Certified Clinical Hypnotherapist and founder of the institute.  The institute's training and education is one of the most comprehensive and professional available, and one of the few institutions in the world licensed to teach Gil Boyne's remarkable Transforming Therapy.  The institute is approved by the California Bureau for private post-secondary education, and by the California Board of Registered Nursing.