Thanissara, from London, was a nun for 12 years in the tradition of Ajahn Chah and has taught internationally for over 30 years. She is co-founder of Dharmagiri Sacred Mountain Retreat, South Africa, Sacred Mountain Sangha, California, and Chattanooga Insight, Tennessee. She has an MA in Mindfulness Psychotherapy Practice from the Karuna Institute UK and is co-author of Listening to the Heart, A Contemplative Guide to Engaged Buddhism, author of Time To Stand Up, An Engaged Buddhist Manifesto for Our Earth, and several books of poetry. She is a member of the Teacher Council at Spirit Rock and co-guiding teacher of Sacred Mountain Sangha.
Vinny Ferraro has been practicing meditation since 1993. He has studied with several renowned spiritual teachers including Ajahn Sumedho and the Dalai Lama. In 1998, he spent a year sitting bedside with the dying through the San Francisco Zen Center Hospice Program, as well as experiencing "A Year to Live" practice (based on the book by Stephen Levine). He has taught meditation to incarcerated youth and adults and is currently the head trainer for MBA, The Mind Body Awareness Project. Vinny also leads workshops for youth in schools internationally for a non-profit organization called Challenge Day. He is a Spirit Rock Community Dharma Leader and has been teaching the weekly Friday night insight meditation group Urban Dharma in San Francisco since 2004.
Yanai Postelnik has been engaged in full-time dharma practice and service since 1990. He is inspired by the Thai forest tradition and nourished by time spent in nature, and has been teaching retreats around the world for over 25 years. Yanai is a member of the Guiding Teacher Council of Gaia House, in Devon, England, and of the Core Faculty of Insight Meditation Society, Massachusetts. Since 2018, Yanai has been engaged with Extinction Rebellion, seeking to bring about urgent change in the face of the climate and ecological emergency, in the service of all beings.
Yuka Nakamura has practiced Buddhist meditation since 1993 in the Theravada, Dzogchen and Zen traditions, and has been trained as a teacher by Fred von Allmen. Living in Switzerland, she teaches meditation and Mindfulness-Based Stress Reduction.