Shawn Achor’s New Book "The Power of Beliefs" Becomes a New York Times Bestseller
27 May 2026
Shawn Achor, bestselling author of The Happiness Advantage and Big Potential, has reached another major milestone: his new book, The Power of Beliefs: How Strengthening Seven Core Beliefs Predicts Greater Success and a Better Life, is a New York Times bestseller.
Known for his research on happiness, success and human potential, Shawn has spent years helping organizations understand how the way people think can influence performance, resilience and well-being. After spending 12 years at Harvard University, he became one of the world’s leading researchers on the connection between a positive brain and success, studying how beliefs, mindset and optimism can shape forward progress.
In The Power of Beliefs, Shawn explores a timely question for leaders, teams and individuals: how do the beliefs we hold shape the outcomes we believe are possible? The book examines how strengthening core beliefs can influence success in the real world and offers a practical way to think about confidence, action and personal growth.
That message feels especially relevant now. As organizations navigate rapid change, uncertainty and new pressures on performance and well-being, Shawn’s work offers an optimistic, research-based framework for understanding how mindset can become a powerful driver of resilience and progress.
His work continues to resonate because it connects research with everyday application. Shawn’s presentations are known for being engaging, funny, data-driven and actionable, helping audiences reframe how they approach challenge, opportunity and success.
With The Power of Beliefs, Shawn adds a new dimension to his ongoing work around happiness, potential and positive change—reminding audiences that what we believe about the world can shape how we move through it.