Prof. Jin H. Ngan is a licensed acupuncturist and herbalist in Chicago, Illinois. When Prof. Ngan was just a teenager, she worked at an herbal store where she gained practical experience with herbs, learning the unique techniques to process them. She went on to study at Guangzhou University of Traditional Chinese Medicine in China and completed her Master of Science in Oriental Medicine at Midwest College of Oriental Medicine in Chicago, Illinois and started her practice in Chicago.

Prof. Ngan is currently teaching Herbology, Oriental medicine, and Acupuncture classes at Wongu.