Dr Rob Yeung is a psychologist and coach who uses a unique blend of techniques based on positive psychology, cognitive behavioural science and sports psychology to help people and organisations achieve success. He is the author of more than a dozen bestselling books, including I is for Influence: The new science of persuasion (Macmillan, 2011) and Confidence: The art of getting whatever you want. They have been translated into a number of languages worldwide.