Dr. Nick Tiller is an exercise scientist and Research Associate at The Lundquist Institute, Harbor–UCLA Medical Center, and a leading voice in science-based health and fitness. His new book, The Health and Wellness Lie (Bloomsbury), is described as "A tour de force, debunking the myths and scams of the modern wellness industry." A former physiologist at the English Institute of Sport, Tiller worked as an associate professor in the UK before moving abroad. He now focuses on research, writing, and public-facing science communication. He is a columnist for Skeptical Inquirer magazine, a writer for Ultra-Running Magazine, and an Associate Editor of the International Journal of Sport Nutrition and Exercise Metabolism. In 2023, Tiller was elected as a Fellow of the Committee for Skeptical Inquiry for his ongoing work in science communication and critical thinking education.