chiatrist with over sixty years of experience in research of non-ordinary states of consciousness and one of the founders and chief theoreticians of transpersonal psychology. Christina Grof, PhDhc (1941-2014), was founder of the Spiritual Emergence Network (SEN). Together, they developed holotropic breathwork, an innovative form of experiential psychotherapy that Grof(R) Legacy Training is practicing and teaching worldwide under the name Grof(R) breathwork. For more information, visit www.grof-legacy-training.com.