Valerie Ann Worwood is a clinical aromatherapist and author with a doctorate in complementary medicine. Valerie is internationally acknowledged as one of the worlds leading aromatherapists and serves as the chair of research for the International Federation of Aromotherapists. As well as her involvement in essential oil research, she has acted as a consultant and expert on the clinical use of essential oils internationally. Valerie is the innovator of Aroma-Genera® and Mother Essences®, the aroma-psychology system for personal and emotional well-being, which she has taught in the United Kingdom, the United States, Canada, and China . Valerie continues her practice in clinical essential oil, and offers lectures and workshops around the world. Her first book was published in 1987 and since then she has authored many titles, which have been translated into fifteen languages.