Dexter Thaler is a prominent figure in the field of behavioral economics, known for his research on how psychological factors influence economic decision-making. He has contributed significantly to understanding concepts like nudging, which involves subtly guiding individuals toward better choices without restricting their freedom. Thaler is a professor at the University of Chicago and has co-authored the influential book, Nudge, with Richard Thaler. His work has had a profound impact on public policy and finance, helping to shape strategies that encourage healthier and more financially responsible behaviors among individuals and organizations.