Daniel P. Kohen, MD, is a retired professor of Pediatrics and Family Medicine and Community Health at the University of Minnesota, a former director of Developmental-Behavioral Pediatrics at the University of Minnesota, and a former president of the American Board of Medical Hypnosis. He is a Fellow of the American Academy of Pediatrics, the American Society of Clinical Hypnosis, and the Society for Clinical and Experimental Hypnosis. He is Co-Founder of and Director of Education for the National Pediatric Hypnosis Training Institute (NPHTI). Karen Olness, MD, is a professor of Pediatrics, Family Medicine and Global Health at Case Western Reserve University, as well as a Fellow of the American Academy of Pediatrics, the American Society of Clinical Hypnosis, and the Society for Clinical and Experimental Hypnosis. She is also a former president of the American Board of Medical Hypnosis, the American Society of Clinical Hypnosis, the Society for Clinical and Experimental Hypnosis, and the International Society of Hypnosis.