The Tavistock Clinic in the United Kingdom will be hosting the Beginning and Intermediate Professional Seminars! Beginning Seminar: August 24-27, 2010. Intermediate Seminar: August 31-September 3, 2010. Location: Tavistock Clinic, 120 Belsize Lane, London, UK, NW3 5BA. Course Organizer/Instructor: Dr. Jessica Hobson. The single most important tool for a family is the RDI Consultant. Consultants are professionals with varied backgrounds, such as Speech Pathologists, Psychologists ...click title to read more.