Curtis Chang is consulting professor in innovation andorganization at Duke Divinity School. He has won an Obama White House award forsocial innovation as the founder and head of Consulting Within Reach, a firmserving nonprofits and government. He holds a faculty appointment at American University and is also a senior fellow at Fuller Theological Seminary.  He is the author of Engaging Unbelief: A Captivating Strategy from Augustine and Aquinas (IVP) and is a former Rockefeller Fellow.