Stanley H. Block, MD, is adjunct professor of law and psychiatry at Seattle University School of Law, adjunct professor of psychiatry at the University of Utah School of Medicine, and a board-certified psychiatrist and psychoanalyst. He lectures and consults with treatment centers worldwide and is coauthor of the award-winning book Come to Your Senses. Stan and his wife, Carolyn Bryant Block, live in Copalis Beach, Washington.

Carolyn Bryant Block is coauthor of Bridging the I-System and the award-winning book Come to Your Senses. She is also the codeveloper of Identity System (I-System) theory and techniques.