Tom is an author and researcher who studies how our careers can improve health and wellbeing. He has written 12 books that have sold more than 10 million copies and made hundreds of appearances on global bestseller lists.Tom's first book, How Full Is Your Bucket?, was an instant #1 New York Times bestseller and led to a series of books that are used in classrooms around the world. His book StrengthsFinder 2.0 was listed as Amazon's top selling non-fiction book of all time.

Tom's other bestsellers include Strengths Based Leadership, Wellbeing, Eat Move Sleep, and Are You Fully Charged?. He has also co-authored two illustrated books for children, How Full Is Your Bucket? for Kids and The Rechargeables.

Tom started his career at Gallup, working with his grandfather (psychologist Don Clifton) to launch one of the first online personality assessments that would go on to help over 35 million people to find their strengths. He went on to lead their workplace consulting and was a Senior Scientist. Tom also served as Vice-Chair of the VHL cancer research organization and was a regular lecturer at the University of Pennsylvania.

Tom is currently the Managing Director of CareerSight, a company dedicated to helping people of all ages to see more careers and purposes they can serve in a rapidly changing world. Tom is a graduate of the University of Michigan and the University of Pennsylvania and lives in Arlington, Virginia with his wife, Ashley, and their two children.