Bill Hybels is an American pastor, author, and speaker, best known for founding the Willow Creek Community Church in South Barrington, Illinois, in 1975. He played a significant role in the growth of the megachurch movement and emphasized the importance of church outreach and community service. Hybels has written several books on leadership and church growth, including Courageous Leadership and Axiom. He also founded the Global Leadership Summit, an annual event that brings together leaders from various sectors to share insights and strategies for effective leadership.