Robert L. Leahy PhD is recognised worldwide as one of the most respected writers and speakers on cognitive therapy. He has 25 years experience practising cognitive therapy to help patients with anxiety, and holds a number of high-ranking positions in his field. He is the author or editor of 15 books, including the bestselling The Worry Cure, and has been featured in magazines, newspapers, TV and radio, both in the US and UK. He lives in the USA.