HYPNOSIS FOR SELF-EMPOWERMENT .Stress-reduction .Weight Loss .Fears/Phobias .Smoking-cessation .Confidence Hal Brickman, LCSW, CSW, MSW, C.HT, was invited on two separate occasions to appear as a guest on David Letterman's Late Night. He is also the author of THE THIN BOOK. Helping clients since 1975.