The executive director of Quest Center for Integrative Health in Portland, Oregon, David Eisen specializes in chronic diseases including HIV/AIDS, cancer, addictions and mental health disorders as well as chronic pain. He serves on the board of directors for the National Acupuncture Detoxification Association, which trains practitioners and advocates for the use of acupuncture for behavioral medical conditions. He is also on the faculty of the Oregon College of Oriental Medicine. He has helped to establish groundbreaking clinical programs integrating acupuncture for addiction and pain in federally qualified health centers and most recently co-authored policies and guidelines for the treatment of chronic pain in homeless adults. He has also served as a reviewer for the National Institutes for Health on alternative therapies.