Karta Purkh Singh Khalsa, D.N.-C., R.H., has over 35 years of experience in alternative medicine, and is one of the foremost herbal experts in North America. He is a past president of the American Herbalists Guild, and is a respected teacher, writer and lecturer who has presented at over 120 national conventions and conferences. He has authored or edited 26 books, including The Way of Ayurvedic Herbs, with Michael Tierra, and Body Balance. K.P. Khalsa is a faculty member in the Botanical Medicine Department of Bastyr University, in Seattle, Washington, where he trains naturopathic medical students. He also serves as Senior Research Scientist and Chief Medical Formulator for Yogi Tea.

On a personal note, let me express my love and respect for Michael and Lesley Tierra, who are my good friends and long time colleagues. It is my pleasure to be associated with them and their top notch school.