Bill Taylor is a "Third Culture Person" who was born in Costa Rica of missionary parents and lived 30 years in Latin America. He went to the USA for his last year of high school, and returned to Latin America after too many years of college, seminary and graduate school (Moody Bible Institute-diploma; North Texas University--B.A; Dallas Theological Seminary--Th.M.; University of Texas, Austin--Ph.D. in Latin American studies). A former Texas staff member of Inter-Varsity Christian Fellowship, for 17 years he taught at the Central American Theological Seminary in Guatemala (CAM Int.) and serves today as a visiting professor in seminaries and missionary training schools in North America and internationally. He also has broad experience in church planting and pastoral ministry as well as writing and editing books.

Since 1986 he has been the Executive Director of the Missions Commission of World Evangelical Alliance (WEA is a global alliance of movements in 115 nations serving 150 million Evangelicals). Based from his home in Austin, Texas, he networks strategic Western and non-Western mission resources, serving the national and regional missions movements around the world by sharing resources and information; by convening working consultations; by strategic publications in forward-thinking missiology; and by fostering/supporting creative missionary training and sending-structure models.