Dr. Nathan Grills is a Public Health Physician at the Nossal Institute of Global Health (University of Melbourne) and is working in disability and chronic disease prevention in India. Nathan completed an MSc Global Health Sciences and then PhD in Public Health at Oxford University where he explored the role of faith in the response of Faith-based groups to HIV. David E. Lewis is the William R. Kenan, Jr. Professor of Political Science at Vanderbilt University where he researches and teaches on the American presidency, executive branch politics and public administration. David and his family attend the Village Chapel in historic Hillsboro Village in Nashville, Tennessee. S. Joshua Swamidass, MD PHD is assistant professor of Immunology and Pathology, Laboratory and Genomic Medicine Division, at Washington University, St. Louis. He is both a Christian and a Scientist. Dr. Swamidass often speaks to student groups about integrating our faith and vocation, finding God's calling for our careers, how Christianity and Science are compatible, and ways of understanding Genesis and Evolution.