Dr. Jingduan Yang is a board-certified psychiatrist and fifth-generation classical Chinese medicine physician whose work bridges Western psychiatry, functional medicine, and ancient healing traditions. He is the creator of the ACES Model of Health and Medicine—a four-dimensional framework spanning anatomy, chemistry, energy, and spirit—and the author of “Facing East” and “Clinical Acupuncture and Ancient Chinese Medicine.” As a principal founder of the Northern School of Medicine and Health Sciences, he advances whole-person care grounded in science, ethics, and humanity.