A Diplomate of the American Board of Psychological Hypnosis, he is certified by, and is an Approved Consultant for, the American Society of Clinical Hypnosis. A frequent speaker and workshop leader on various mind-body topics, Dr. Burbridge's regional, national, and international presentations have focused on clinical hypnosis, dissociation, psychological trauma, and on using drawings, writing, videotape, and hypnosis in the treatment of psychological trauma. He is a member of the American Psychological Association, the Hudson Valley Psychological Association (Founding President, 1985-1986), the American Society of Clinical Hypnosis, the New York Society of Clinical Hypnosis, and the International Society of Hypnosis.