Christopher Hafner, L.Ac., is a TCM practitioner and licensed acupuncturist in Minnesota with more than 30 years experience. He was formerly a faculty member and clinic supervisor at Northwestern Health Sciences University in Bloomington, Minn.. He is also adjunct faculty at the University of Minnesota, where he teaches a graduate level course on TCM through the Center for Spirituality & Healing. Hafner lectures locally and nationally on the subject of TCM and has been involved in several research projects investigating the quality of Chinese medicinal herbs and the integration of TCM and conventional medicine.