Steven Horne is a Registered Herbalist with the American Herbalist's Guild, a Certified Comprehensive Iridologist and Iridodoly Instructor with the International Iridology Practioner's Association, and has a Doctor of Humanitarian services degree with the World Organization of Natural Medicine. He is the co-author of Modern Herbal Dispensatory, a popular book on making herbal medicines, and the author of Strategies for Health, a comprehensive guide to natural healing. He has lectured all over North America and in many foreign countries.