Ronald D. Siegel, PsyD, is assistant professor of psychology, part time, at Harvard Medical School, where he has taught since the early 1980s. He is a longtime student of mindfulness meditation and is a faculty and board member at the Institute for Meditation and Psychotherapy.
Kent Klineman is a voice actor and narrator based in Los Angeles. A Tony Award winner, Kent has acted in regional theater and on Broadway. He recently guest starred for the second time on FX's hit show Better Things.