Efrem Korngold, L.Ac., OMD, one of the leading traditional Chinese medicine teachers and practitioners in America, is the co-author of Between Heaven and Earth: A Guide to Chinese Medicine. He began his studies at the College of Traditional Acupuncture in England and studied herbal medicine at Kunming Traditional Chinese Medicine Research Institute and Shanghai College of Traditional Chinese Medicine, Shu Guang Hospital. He is on the faculty of the American College of Traditional Chinese Medicine and teaches widely in the U.S. and Europe. A Diplomate in Acupuncture (NCCAOM), he has lectured at University of California San Francisco School of Medicine, Andrew Weil's Program in Integrative Medicine, and Beth Israel Hospital in New York. He is engaged in the active practice of acupuncture and Chinese herbal medicine at the San Francisco clinic Chinese Medicine Works.