Mark Coleman has been engaged in meditation practice since 1981, primarily within the Insight meditation tradition. He has been teaching meditation retreats since 1997. His teaching is also influenced by his studies with Advaita Vedanta and Tibetan teachers in Asia and the West, and through his teacher training with Jack Kornfield. Mark primarily teaches at Spirit Rock Meditation Center in California, though he also teaches nationally, in Europe and India.
He leads backpacking retreats, nature-based retreats, and teaches retreats for environmental activists in the wilderness at Vallecitos Mountain Refuge in New Mexico, and at Knoll Farm in Vermont. In the Bay Area, Mark has a counseling practice, where he integrates his studies of psychotherapy and meditative work. He is the author of “Awake in the Wild - Mindfulness in Nature as a path of Self-Discovery." Mark has been an avid hiker, and backpacker for most of his life and spends much of his time in the outdoors. He lives in the woods in Marin County, Northern California.
Mark Nunberg began his Buddhist practice in 1982 and has been teaching meditation since 1990. He co-founded Common Ground Meditation Center in Minneapolis, MN in 1993 and continues to serve as the center’s guiding teacher.
Marvin G. Belzer, PhD, has taught mindfulness meditation for twenty years. He is an Adjunct Associate Professor in the UCLA Department of Psychiatry and Biobehavioral Sciences. For many years he taught a semester-long meditation course in the Department of Philosophy at Bowling Green St. University, where he was an Associate Professor of Philosophy. He teaches an undergraduate course at UCLA (Psychiatry 175: Mindfulness Practice and Theory) and teaches mindfulness in many different venues in Los Angeles.
Matthew Brensilver, MSW, PhD, serves on the Guiding Teachers Committee and Board of Directors at Spirit Rock Meditation Center. He was previously Program Director for Mindful Schools and for more than a decade, was a core teacher at Against the Stream Buddhist Meditation Society. Each summer, he lectures at UCLA’s Mindful Awareness Research Center on the intersections between mindfulness, science and mental health. Before committing to teach meditation full-time, he spent years doing research on addiction pharmacotherapy at the UCLA Center for Behavioral and Addiction Medicine. He is the co-author of two books about meditation during adolescence.
Matthew Daniell began Buddhist meditation in Asia in 1985. He practiced Zen in Japan, Tibetan Buddhism in India, and Insight Meditation in the United States, India, Burma, and Thailand, where he was an ordained monk for more than a year. His Asian teachers include Harada Roshi, Kalu Rinpoche, Dipama and Munindra. His Western teachers include Larry Rosenberg, Jack Kornfield, Joseph Goldstein, and Sharon Salzberg. Matthew is a founder and the guiding teacher at the Insight Meditation Center of Newburyport, Massachusetts (IMCNewburyport.org), and is a member of the Religious Services Department at Phillips Exeter Academy.
Matthew Hepburn caught fire with the Dharma through retreat practice in his early twenties. He began offering vipassana instruction in 2012 at the Cambridge Insight Meditation Center, where he is continually inspired by the deep Dharma of daily living. He is a participant in the 2017-2021 IMS Teacher Training Program.
Melanie Waschke has had a Meditation practice since her early twenties. She has been deeply involved in the mindfulness practice taught by Thich Nhath Hanh, living in his retreat centers for over a year as well as doing a lot of long term practice in the Vipassana tradition worldwide. Currently she is part of the teacher training program led by Jack Kornfield, Joseph Goldstein and others. Melanie Waschke is a clinical psychologist, working in Germany. She teaches meditation in English and German.