Nancy Rizos is a certified holistic nutrition coach, orthomolecular medicine and women's health therapist, and certified fasting coach. As a sought-after expert, she has been professionally guiding people through simulated fasting for many years. She is the author of two specialist books, has developed numerous recipes, and is an experienced speaker, including at Turn Around Aging 2025. She also organizes exclusive retreats such as those at La Villa and advises selected hotels. Nancy is a member of the renowned team of speakers at Schloss Marbach, where she achieves lasting impact with her in-depth expertise and passion.