Named Missionary in Residence and Research Fellow at Yale Divinity School
Missionary in Residence, Calvin College
Dean of Students, Calvin College
Professor of World Missiology, Calvin College
Professor, Westminster Seminary (1982-1986)
Courses taught at Trinity Evangelical Divinity School and Fuller Theological Seminary
Lecturer at various schools and institutions throughout North, Central, and South America; active at schools in Canada, France, and Venezuela
Extensive research on various missiological topics and considered a specialist in global urbanization, church growth, and anthropology and intercultural communication
Otros aspectos destacados de la carrera
Executive Director of Christian Reformed World Ministries (1986-1990)
Numerous pastoral roles
Coordinator for the CRC’s Spanish Literature Committee (1972-1980)
Area Secretary for Latin America Board for World Missions (1972-1978)
Missionary in Mexico (1963-1970)
Missionary in Sri Lanka (1958-1962)
Member of the Foreign Bible Society
Highly influential in Jewish outreach
Named a member of the Lausanne Committee for Jewish Evangelism
Recipient of numerous awards in dogmatics, Jewish evangelism, and preaching
Editor of The Herald (1960-1962) and Urban Mission (1983-1990)
Membership in several professional and honorary societies
Publicaciones
Numerous books written in English and Spanish, in addition to the other 12 languages into which his materials have been translated
Among his most notable books are Go and Make Disciples!: An Introduction to Christian Missions,Guidelines for Urban Planting, Cities: Missions’ New Frontier, and Discipling the City: A Comprehensive Approach to Urban Mission
Contributor to various missiological dictionaries and encyclopedias