Heather Zwickey, PhD, is Dean of Research and Graduate Studies and a professor of immunology at the National College of Natural Medicine, Portland, Oregon, as well as Director of Helfgott Research Institute. Currently, she heads several pilot studies looking at the effects of botanicals, hydrotherapy, energy medicine, and diet on immunological parameters. Zwickey trained at the National Jewish Medical and Research Center in Denver, Colorado. She received her doctorate in immunology and microbiology from the University of Colorado Health Sciences Center and completed a postdoctoral fellowship at Yale University.