Dr Timothy Sharp completed a BSc (Hons), a Masters degree in Clinical Psychology and a PhD before working for many years as a clinical and academic psychologist. He successfully built his clinical psychology practice, Dr Timothy Sharp & Associates, into Sydney's largest (an achievement for which he was named as a finialist in the Telstra Business Awards). He is also an Adjunct Professor (Positive Psychology) at the UTS School of Business and consults to some of Australia's leading organisations.
In 2003, Dr Sharp established The Happiness Institute, which is devoted to enhancing happiness in as many individuals, families, schools and organisations as possible by providing coaching and consulting services. Dr Sharp has written several self-help books, including the bestselling The Good Sleep Guide (Penguin, 2001) and The Happiness Handbook (Finch, 2005). He appears regularly as a conference speaker and media commentator.