Peter H. Diamandis (/diːʌˈmændɪs/; born May 20, 1961) is a Greek-American engineer, physician, and entrepreneur best known for being the founder and chairman of the X Prize Foundation, the co-founder and executive chairman of Singularity University and the co-author of the New York Times bestsellers Abundance: The Future Is Better Than You Think and BOLD: How to Go Big, Create Wealth, and Impact the World.