Kay Warren, cofounder of Saddleback Church in Lake Forest, California, is also the founder of the HIV & AIDS Initiative at Saddleback Church. She is a Bible teacher, author, and international speaker. Warren frequently travels the globe to encourage HIV-positive men, women, and vulnerable children, and today she is a powerful voice on their behalf. In 2007, Kay authored Dangerous Surrender, and the revised and expanded paperback edition, retitled Say Yes to God, was released in 2010. She also co-authored Foundations, a systematic theology course used in churches around the world.