布萊恩‧衛斯(Brian L. Weiss, M.D.), a graduate of Columbia University and Yale Medical School, is Chairman Emeritus of Psychiatry at the Mount Sinai Medical Center in Miami. Dr. Weiss is the author of many books, including the international bestseller Many Lives, Many Masters and Through Time into Healing. In addition, he conducts U.S. and international seminars and experiential workshops as well as training programs for professionals. He maintains a private practice in Miami.