Bill Hybels is the founding and senior pastor of Willow Creek Community Church in South Barrington, Ill., and chairman of the board for the Willow Creek Association. The bestselling author of more than twenty books, including Leadership Axioms, Holy Discontent, Just Walk Across the Room, The Volunteer Revolution, and Courageous Leadership, and classics such as Too Busy Not to Pray and Becoming a Contagious Christian, Hybels is known worldwide as an expert in training Christian leaders to transform individuals and their communities through the local church. He and his wife, Lynne, have two adult children and two grandsons, Henry and Mac. Ashley Wiersma is a freelance writer of spiritual books and curricula. She and her husband and daughter make their home in the foothills of the Rocky Mountains.