Daniel P. Brown was the director of the Center for Integrative Psychotherapy in Newton, Massachusetts, and an associate clinical professor of psychology at Harvard Medical School. Trained in Buddhist philosophy and languages at the University of Chicago and the University of Wisconsin-Madison, where he did his dissertation on mahamudra meditation texts, he maintained close relations with Tibetan teachers of the Gelug, Kagyu, and Nyingma lineages for more than thirty-five years as well as exploring the Theravada mindfulness traditions in Burma and Thailand. Dan was the author of fourteen books, including Transformations of Consciousness and he lived in San Francisco, California with his wife, Grethen Nelson.