Dr. Stewart holds degrees in Math, Physics, Earth Sciences, Natural Medicine, and Aromatic Science. A former professor at the University of North Carolina, Chapel Hill, and Southeast Missouri State University, he is currently on the faculty of the Institute for Energy Wellness Studios in Brampton, Ontario, Canada. Author of 16 books and more than 300 articles. his latest book is entitled 'The Chemistry of Essential Oils Made Simple." Dr. Stewart is President of the Center for Aromatherapy Research and Education(CARE), offering more than 100 seminars each year on the science and practical application of Essential oils throughout the United States, Canada, and other selected countries.