Stanislav Grof, M.D., is a psychiatrist who has been principal investigator at the Psychiatric Research Institute in Prague, Chief of Psychedelic Research at the Maryland Psychiatric Research Center, and assistant professor of psychiatry at Johns Hopkins University. He is now professor of psychology at the California Institute of Integral Studies. His 20 books include Beyond the Brain, Psychology of the Future, The Cosmic Genius, and Spiritual Emergency. He lives in California. In 2019, Stanislav Grof was cited as one of the "100 Most Spiritually Influential Living People in the World" according to Watkins Mind Body Spirit magazine.