Before coming to Southern Seminary, Dr. Armstrong served as Associate Director for Curriculum and then as Director of the International Centre for Excellence in Leadership at the Southern Baptist International Mission Board. Dr. Armstrong also served more than twenty years in South America as church planter, theological educator, and missions administrator. He is the author of Bases para la Educacion Cristiana and Mas Cerca de Dios, co-author of Introduction a la Misiologia, contributor to the Comentario Biblico Mundo Hispano, and writer/compiler of missionary leadership development materials.