Ellen Evert Hopman has been a teacher of herbalism since 1983 and is a professional member of the American Herbalists Guild. A member of the Grey Council of Mages and Sages and a former professor at the Grey School of Wizardry, she has presented at schools and workshops across the United States and Europe. A Druidic initiate since 1984, she is the current Archdruid of Tribe of the Oak (Tuatha na Dara), an international Druid Order, a founding member of The Order of the White Oak (Ord Na Darach Gile), a Bard of the Gorsedd of Caer Abiri, and a Druidess of the Druid Clan of Dana. A former vice president of The Henge of Keltria, she is the author of The Sacred Herbs of Spring; The Sacred Herbs of Samhain; Secret Medicines from Your Garden; The Real Witches of New England; Scottish Herbs and Fairy Lore; A Druid's Herbal of Sacred Tree Medicine; A Druid’s Herbal for the Sacred Earth Year; Walking the World in Wonder – a Children’s Herbal; Being a Pagan; Tree Medicine, Tree Magic; and the Druid trilogy of novels: Priestess of the Forest, The Druid Isle and Priestess of the Fire Temple. She lives in Massachusetts.
Eric Leskowitz, M.D., is a retired Harvard Medical School-affiliated psychiatrist who practiced pain management for more than 25 years at Spaulding Rehabilitation Hospital in Boston. He has published more than 50 articles in peer-reviewed scientific journals and is the author/editor of four books. His documentary about group energies and sports, The Joy of Sox, aired nationally on PBS in 2012. He lives in Western Massachusetts.
Peter A. Levine, Ph.D., is the renowned developer of Somatic Experiencing. He holds a doctorate in medical and biological physics from the University of California at Berkeley and a doctorate in psychology from International University. The recipient of four lifetime achievement awards, he is the author of several books, including Waking the Tiger, which has now been printed in 33 countries and has sold over a million copies.
Mary Mueller Shutan is a spiritual healer and teacher with an extensive background in Chinese Medicine, CranioSacral therapy, Zero Balancing, and energy work. She is the author of The Spiritual Awakening Guide, The Complete Cord Course, The Body Deva, and Managing Psychic Abilities. Mary lives near Chicago, Illinois.