Dan Ariely is one of the top behavioral economists in the world and teaches at Duke University. He does research on how we make the wrong decisions in our lives repeatedly and what we can do to change that. From financial decision making, to health, to better habits, Dan explains our behavior in a simple way to help us improve our lives. He runs the Center for Advanced Hindsight at Duke. He has published 8 books on the topic. You can visit his website for more details about him and his work.