M. David Sills (DMiss, PhD; Reformed Theological Seminary) is A. P. and Faye Stone Professor of Christian Missions and Cultural Anthropology at The Southern Baptist Theological Seminary, where he also serves as director of global strategic initiatives and intercultural programs. He is the founder and president of Reaching & Teaching International Ministries, which serves people around the world through evangelism, discipleship, pastoral preparation, leadership training and theological education. Sills previously served long-term as a missionary in Ecuador. While with the International Mission Board, he served as a church planter and general evangelist among the Highland Quichua people in the Andes and as a seminary professor at the Ecuadorian Baptist Theological Seminary. He also served as rector and professor of the Baptist seminary as a missionary with Global Outreach International. He has planted and pastored churches in both the United States and Ecuador. Sills has written several books and articles in both English and Spanish, including The Missionary Call: Find Your Place in God's Plan for the World, which has been translated into Spanish, Korean and Indonesian, Reaching and Teaching: A Call to Great Commission Obedience and Reaching and Teaching the Highland Quichuas. His Spanish books include Capacitación Cultural en la Cultura Quichua and Quichuas de la Sierra. In addition, he has also coauthored or contributed to several books such as Introduction to Global Missions and Introducción a la Misiología. A frequent speaker at conferences internationally, Sills has spoken for the Desiring God National Conference, Urbana Missions Conference, To Every Tribe, Master's College and the Cross Conference. He and his wife Mary have been married for over thirty years and have two grown children and four grandchildren.