Santiago "Jimmy" Heriberto Mellado (born April 6, 1963), is the President and CEO of Compassion International, a Christian holistic child development organization dedicated to the long-term development of children living in poverty around the world, which is based in Colorado Springs, Colorado. Mellado previously served as President of the Willow Creek Association (WCA) in South Barrington, Illinois, from 1993 to 2013. He also competed in the 1988 Summer Olympics and 1987 Pan American Games as a decathlete. He serves as a trustee for Fuller Theological Seminary and on the board of directors for the National Association of Evangelicals. He also serves on the Board of Directors for Art of the Olympians.