Meet the Faculty
Schedule and Syllabi

Meet the Ph.D./ICS Faculty


Byron D. Klaus
Professor of Intercultural Leadership Studies

B.S., Bethany Bible College
M.R.E., Southwestern Baptist Theological Seminary
D.Min., Fuller Theological Seminary

Thesis: Southern California College: A Plan for Ministerial Formation

For 20 years, Dr. Klaus served as vice president for Latin America ChildCare, a child development ministry serving over 80,000 children in 21 nations. His commitment to leadership development has allowed him to impact leaders in over 50 nations.


DeLonn Rance
Director of Intercultural Doctoral Studies
Associate Professor of Intercultural Studies
Chair of the Global Missions Department
2008-2009 J. Philip Hogan Professor of World Missions

B.A., Bethany College (now Bethany University)
M.A., (Missions) Assemblies of God Theological Seminary
M.A., (Leadership) Vanguard University
Ph.D., (Intercultural Studies) Fuller Theological Seminary
Doctor Honoris Causa, Universidad Cristiana de las Asambleas De Dios (El Salvador)

Dissertation: The Empowered Call: the Activity of the Holy Spirit in Salvadoran Assemblies of God Missionaries

Dr. Rance (AGTS M.A. 1983) has 25 years of missionary experience in El Salvador and Latin America with emphasis on the training and sending of missionaries from the majority world.


Paul Lewis
Admissions and Program Coordinator, Intercultural Doctoral Studies

B.A. (Antiquities and History) Southwest Missouri State University
M.Div. (Missions) Assemblies of God Theological Seminary
M.A. (History) Southwest Missouri State University
Ph.D. (Religion-Concentration in Theology) Baylor University

Dissertation: "Value Formation and the Holy Spirit in the Theologies of Thomas C. Oden, Jürgen Moltmann, and J. Rodman Williams"

Dr. Lewis (AGTS M.Div 1988) served for four years in international student ministries (after years of pastoral and Chi Alpha campus ministry roles), and from 1995 to 2006 served in Northern Asia, and from 2006 to 2012 was the Academic Dean of Asia Pacific Theological Seminary. His is committed to a holistic integration of theology and missions.


Warren Newberry

Adjunct Professor

B.A. (Religion) Vanguard University of Southern California
M.A. (Cultural anthropology) Assemblies of God Theological Seminary
D.Th. (Missiology) University of South Africa

Dissertation: Major Missiological Motifs in North American Classical Pentecostal Missions

Dr. Newberry (AGTS M.A. 1985) is a 41-year missionary to Malawi, Jamaica, Bosnia, Belize and other countries.


Johan Mostert
Professor of Community Psychology

B.S. (Psychology) Bethany Bible College
B.A. (Psychology) University of South Africa
B.A. Hons (Psychology) Stellenbosch University
M.A. (Psychology) University of South Africa
SMP (Senior Management programme) Graduate School of Management, University of Pretoria
D.Phil. (Psychology) University of Pretoria


Thesis: “The Psychodynamics of Pastoral Ministry: a Pastoral-Psychological Investigation”

Dr. Mostert, a native of South Africa, has 20 years of experience in compassion ministries. He is widely recognized as a leading authority on local-church response to the global AIDS pandemic and travels frequently as a speaker and project consultant for faith-based development agencies.


Mark Hausfeld

International Director, Global Initiative: Reaching Muslim Peoples
Associate Professor of Urban and Islamic Studies
2007-2008 J. Philip Hogan Professor of World Missions

B.A., Evangel University
M.Div. (Missions and Pastoral Counseling) Assemblies of God Theological Seminary
D.Min. (Missions) Northern Baptist Theological Seminary

Thesis: Developing Urban Ministry Curricula for the Carlson Institute: A Shared Christian Praxis

Dr. Mark Hausfeld (M.Div. 1983) currently serves as International Director of Global Initiatives: Reaching Islamic Peoples. He is co-author of Silk Road Stories and frequently speaks at conferences around the world.


JoAnn Butrin

Adjunct Professor

R.N. Geisinger Medical Center. Danville, Pennsylvania
B.S. Evangel University
M.S. Penn State University
Ph.D. University of Minnesota.

Dissertation: The Experience of Culturally Diverse Nurse-Client Encounters

Dr. Butrin served as a medical missionary in Zaire (Democratic Republic of Congo) for 14 years and as the director of AGWM HealthCare Ministries for nine. She is currently the director of International Ministries for AGWM.


Joe Castleberry
Adjunct Professor
President: Northwest Univeristy

B.A. (Biblical Studies) Evangel University
M.Div. (New Testament) Princeton Theological Seminary
Ed.D. (International Educational Development with concentration in Higher Education Administration) Columbia University

Dissertation: It's Not Just For Ignorant People Anymore: The Future Impact of University Graduates on the Development of the Ecuadorian Assemblies of God

Dr. Castleberry has 18 years of missionary experience in Latin America in the areas of academics, pastoral ministry and community development. He is a former academic dean of AGTS and the president of Northwest University.


Beth Grant

Associate Professor of Intercultural Studies

B.S. (Christian Education) Central Bible College
M.A. (Cultural Anthropology) Assemblies of God Theological Seminary
Ph.D. (Intercultural Education) Biola University, School of Intercultural Studies,

Dissertation: Theological Education in India: Leadership Development for the Indian or Western Church?

Dr. Grant (AGTS M.A. 1979) has served with her husband as an Assemblies of God missionary to India and Eurasia for 32 years. She and her husband are the co-directors of Project Rescue, a ministry to survivors of sex trafficking. She has also served as the chairperson for the Network for Women in Ministry for the AG since 1999. In 2009 she became the first women elected to the Executive Presbytery of the national AG USA.


Dr. Johnson
2006-2007 J. Philip Hogan Professor of World Missions
Adjunct Professor

University of Washington
B.A. (Pastoral Ministry) Northwest University
M.A. (Biblical Literature), Assemblies of God Theological Seminary
M.A. (Leadership) Azusa Pacific University
Ph.D. Oxford Centre for Mission Studies (University of Wales)

Dissertation: Leadership in a Bangkok Slum: An Ethnography of Thai Urban Poor in the Lang Wat Pathum Wanaram Community

Since beginning his missionary career in Thailand in 1986, Dr. Johnson has distinguished himself as one of the brightest thinkers in Pentecostal missions.


Ivan Satyavrata

2009-2010 J. Philip Hogan Professor of World Missions

B.Th. Southern Asia Bible College, Bangalore, India
B.D. Union Biblical Seminary, Pune, India
M.Th. Regent College, Vancouver, Canada
Ph.D. The Oxford Centre for Mission Studies, Oxford, U.K. [British Open University]

Thesis: "God has not left Himself without Witness": A Critical Examination of the 'Fulfilment' Concept in the Christian Understanding of Other Religions in Indian Christian Thought, with special reference to the Contribution of Krishna Mohan Banerjea and Sadhu Sundar Singh to Protestant Fulfilment Theology.

Dr. Satyavrata leads the AG church and its network of ministries in Kolkata, India, founded by the late Mark Buntain. These ministries includes a hospital, medical services and a school system for thousands of students.


Annette Newberry
Associate Professor of Pentecostal History and Missions
Dissertation Final Copy Editor

A.A.: Orange Coast College
B.S, Diploma : Southwestern Assemblies of God University
D.Min, M.Div., M.A.:  Assemblies of God Theological Seminary

Major Project: General Epistles: Faith for Turbulent Times: A Discovery Series Textbook Designed for  Bible Colleges in Africa


Anita L. Koeshall
Associate Professor of Intercultural Studies
2010-2011 J. Philip Hogan Professor of World Missions

B.S.      Pharmacy, University of Wisconsin
M.A.     Intercultural Studies, BIOLA University
Ph.D.    Intercultural Studies, Fuller Theological Seminary

Dissertation: Toward a Theory of Dynamic Asymmetry and Redeemed Power: A Case Study of Reflexive Agents in German Pentecostal Churches


Marvin G. Gilbert
D.Miss. Project Coordinator
Associate Professor of Intercultural Education and Research

B.A.: Central Bible College
M.S. : Central Missouri State University
D.Ed: Texas Tech University

Dissertation: Variables in the decision by Assemblies of God pastors to counsel or refer


Charles E. Self
Associate Professor of Church History

B.A., M.A., Ph.D., University of California, Santa Cruz
M.A., Graduate Theological Union

While Dr. Self’s academic specialty is history, God has gifted him in multiple areas. Prior to his joining the faculty at AGTS, he served for 30 years in various pastoral roles—including senior pastor—and concurrently taught for 28 years.

Updated: Wednesday, October 22, 2014 1:33 PM

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