Donald J. Robertson is a writer, trainer, and life coach. He was formerly a cognitive-behavioural psychotherapist, specializing in the treatment of anxiety disorders. He is one of the founding members of the Modern Stoicism nonprofit, and the founder and president of the Plato’s Academy Centre nonprofit in Athens, Greece. Donald is known as an expert on the relationship between modern evidence-based psychotherapy and classical Greek and Roman philosophy. His work is highly interdisciplinary, combining philosophy, history, and psychology. He is the author of nine books including the international bestseller, How to Think Like a Roman Emperor.