Dean, Columbia Biblical Seminary and School of Missions at Columbia International University (1988-2001)
Director of Missionary Church Planting, Columbia International University
Professor of Missions and Ministry Studies, Columbia International University (1980-2003)
Adjunct Professor, Columbia International University (1970s)
Visiting professor, Dallas Theological Seminary, Gordon-Conwell Theological Seminary, Fuller Theological Seminary, Trinity Evangelical Divinity School, the Graduate College of Missions in Korntal, Germany, and William Carey University, among others
Professor, Evangelical Presbyterian Seminary in San Felipe, Guatemala
Passionately discipled students and partnered with various parachurch organizations and Christian leaders, including Drs. Ralph Winter and John Stott to carry the gospel to all people groups
Otros aspectos destacados de la carrera
President, Evangelical and Reformed Church of Honduras
Ordained minister
Pastorates in the United States and Central America
President, Evangelical Missiological Society (1987-1990, 1992-1995, 1998-2001)
Evangelical Theological Society (more than 20 years)
Missionary under the United Church Board for World Ministries, where he served for 15 years teaching, ministering, and planting churches (1966-1980)
President of the Board, U.S. Center for World Mission
Speaker and leader in several international conferences, including those in Korea, Latin America, Europe, and South Africa
Ministered in over 100 countries
Publicaciones
Articles in several academic and theological journals, including submissions to Bibliotheca Sacra,TheJournal of the Evangelical Theological Society,Evangelical Missions Quarterly, Missionary Monthly, Missiology, Missiological Education in the Twenty-First Century, and the International Bulletin of Missionary Research
Coeditor of the Evangelical Missiological key series publication Working Together with God to Shape the New Millennium with Gary Corwin (2000)
Many books, including Adventures in Training the Ministryand Working Together with God to Shape the New Millennium: Opportunities and Limitations