Bill Hybels (BA, Trinity College) is the founding and senior pastor of Willow Creek Community Church in South Barrington, Illinois. Willow Creek's innovative ministries have made it one of the most attended churches in North America. Hybels has authored over 20 books, including Fit to Be Tied and Rediscovering Church (with his wife Lynne), Honest to God, Too Busy Not to Pray, and Courageous Leadership. Bill Hybels es el fundador y el pastor mayor de Willow Creek Community Church en el Sur Barrington, Illinois. Willow Creek's Ministerio innovador ha echo una de las Iglesias mas atendidas en Norte America. Hybels ha escrito mas de 20 libros incluyendo, Fit to Be Tied ( Caber Para Estar Unidos), y Rediscovering Church (Re-descubriendo la Iglesia) con su esposa Lynne. Honest to God ( Honestos con Dios), Too Busy Not to Pray ( Muy ocupados para no Orar) y Courageous Leadership (Liderazgo Valeroso). Mark Mittelberg (MA, Trinity Evangelical Theological School) is the primary author of the celebrated Becoming a Contagious Christian training course, the coauthor with Bill Hybels of the bestselling book Becoming a Contagious Christian, the author of Building a Contagious Church, and contributing editor of The Journey: A Bible for the Spiritually Curious. He has been the evangelism leader for the Willow Creek Association for more than a decade, and speaks on evangelism to leaders all around the world.