Greg L. Hawkins is executive pastor of Willow Creek Community Church. He is also co-creator of REVEAL, an initiative that utilizes research tools and discoveries to help churches better understand spiritual growth in their congregations.nbsp;Greg and his wife, Lynn, live in the Chicago suburbs with their three children.
Cally Parkinson is brand manager for REVEAL and previously served as the director of communication services at Willow Creek Community Church, a role she undertook following a twenty-five-year career at Allstate Insurance Company. Cally and her husband, Rich, live in the Chicago suburbs and have two grown children.