Mark Epstein is a contemporary American author and psychotherapist best known for his writings that combine insights from both Buddhism and psychotherapy. Trained as a psychiatrist, he has a private practice in New York City and has written extensively on the interplay between Buddhist philosophy and psychoanalytic perspectives, particularly how meditation practices can inform therapeutic work. Epstein's books often explore the concepts of ego, self, and mindfulness, among others, offering practical wisdom on how to address emotional pain and enhance mental well-being. His works include titles such as "Thoughts Without a Thinker: Psychotherapy from a Buddhist Perspective" and "Going to Pieces Without Falling Apart: A Buddhist Perspective on Wholeness." His approach is considered influential in the field of contemplative psychotherapy.