About the Center for the Study of Global Christianity
The Center for the Study of Global Christianity is an academic research center that monitors worldwide demographic trends in Christianity, including outreach and mission. We provide a comprehensive collection of information on the past, present, and future of Christianity in every country of the world. Our data and publications help churches, mission agencies, and non-governmental organizations (NGOs) to be more strategic, thoughtful, and sensitive to local contexts.
Todd M. Johnson, PhD, Director
Todd M. Johnson is Associate Professor of Global Christianity and Director of the Center for the Study of Global Christianity at Gordon-Conwell Theological Seminary. Johnson is visiting Research Fellow at Boston University’s Institute for Culture, Religion and World Affairs leading a research project on international religious demography. He is co-editor of the Atlas of Global Christianity (Edinburgh University Press) and co-author of the World Christian Encyclopedia (Oxford University Press, 2nd ed.) and World Christian Trends (William Carey Library). He is co-editor of the World Christian Database (Brill) and World Religion Database (Brill). (Click here to view/download curriculum vitae) (Send email)
Gina A. Zurlo, MA, PhD Cand., Assistant Director
Gina A. Zurlo is Assistant Director of the Center for the Study of Global Christianity and a PhD candidate at Boston University. Her studies focus on international religious demography, world Christianity, and the history of religious demography. She is also a Research Associate at Boston University’s Institute on Culture, Religion and World Affairs, specializing in Jewish demography. She is co-editor of the World Christian Database (Brill), the Senior Editorial Assistant on the Atlas of Global Christianity (Edinburgh University Press, 2009), and also contributes to the World Religion Database (Brill). (Click here to view/download curriculum vitae) (Send email)
Albert W. Hickman, MS, MA, Senior Research Associate
Peter F. Crossing, Data Analyst
Bradley A. Coon, MA, Research Associate
Uchenna D. Anyanwu, B.Sc., M.Sc., Research Assistant
Uchenna holds a Bachelor of Science degree in Building and a Master of Science in Structural Engineering, from Ahmadu Bello University, Zaria, Nigeria. He is currently studying at Gordon-Conwell Theological Seminary, working to obtain the Master of Divinity and Master of Arts in World Missions and Evangelism (Islamic Studies) degree. Uchenna is from Nigeria and has served in cross-cultural contexts in both Senegal and North Africa for about 13 years. He is a student worker at the Center for the Study of Global Christianity, where he serves as a Research Assistant. Uchenna and his spouse, Dolapo, live in South Hamilton Massachusetts with their two teenage sons.
Mercury Li, Research Assistant
Mercury graduated from a medical school in mainland China. She is pursuing her Master of Divinity and M.A. in Counseling at Gordon-Conwell Theological Seminary. Mercury is working as the research assistant at the Center for the Study of Global Christianity, researching Christian denominations around the world. She lives with her husband in Ipswich, where they both serve at a local church.
Christopher R. Guidry, Research Associate
A graduate of the United States Military Academy (USMA) at West Point, immersed in print production experience at Last Days Ministries (LDM), and secunded from Youth With A Mission (YWAM), Christopher R. Guidry started in a 3-month position scanning images for Dr. Johnson and Dr. Barrett in the fall of 1996 for the World Christian Encyclopedia. Over the next six years, Chris migrated into page layout, print production, and other technical aspects of developing such data-heavy works. Highlights of his time include service as the associate editor of World Christian Trends, page layout for the Atlas of Global Christianity, and production assistance on various other publications. Chris, his wife, Jeanine, and their three dogs live in Richmond, Virginia.
Kenneth R. Ross, PhD, Research Associate
Kenneth R. Ross serves as parish minister at Netherlorn in Argyll, Scotland, chairs the Scotland Malawi Partnership and is an Honorary Fellow at the Edinburgh University School of Divinity. He has earlier served as Professor of Theology at the University of Malawi and as General Secretary of the Church of Scotland Board of World Mission. He co-edited the Atlas of Global Christianity (Edinburgh University Press, 2009). His recent publications include Malawi and Scotland: Together in the Talking Place since 1859 (Mzuni Press, 2013) and Roots and Fruits: Retrieving Scotland’s Missionary Story (Regnum, 2014). His work with the Center is focused on co-editing the “Edinburgh Companions to Global Christianity” – a series of books being prepared for publication with Edinburgh University Press.
Michael Jaffarian, Research Associate
Michael and Dawna Jaffarian have been missionaries with WorldVenture since 1983, serving in India, Singapore, Virginia, and England. Michael served as Executive Director of the Singapore Centre for Global Mission and later as Senior Research Associate with Operation World. He served as an Editorial Associate for the second edition of the World Christian Encyclopedia and has now returned to the team as an Associate Editor for the third edition. He is also a Mission Associate with the World Evangelical Alliance and Associate Editor of the North American Mission Handbook. Michael and Dawna now live in and work from their home state of Oregon, where their son Calvin also lives; their daughter Jasmine lives in Texas.
Cindy Wu, Research Associate
Cindy M. Wu holds an M.A. in Religion from Gordon-Conwell Theological Seminary, with a concentration in World Missions and Global Christianity. She co-authored Our Global Families: Christians Embracing a Common Identity in a Changing World with Todd M. Johnson (February 2015). She lives in Houston, TX, where she works in educational administration and as a freelance writer for a spiritual transformation ministry. She is also involved in creative social justice advocacy in the Houston community.
Kendra Short, Research Associate
Serving with International Teams in Athens, Greece, Kendra works under the 2nd Evangelical Church of Athens to engage in holistic ministry to the homeless and refugee community in the inner-city. Kendra holds a Bachelor of Arts in Philosophy and Psychology from Hope College in Holland, MI and a Master of Divinity from Gordon-Conwell Theological Seminary in South Hamilton, MA. Her interests include social justice, existentialism, and the intersection of theology and practical ministry in both the local and global spheres. She works as the photo editor for the third edition of the World Christian Encyclopedia.
Acknowledged as one of the world’s most definitive sources of empirical information on Christianity, the Center for the Study of Global Christianity (CSGC) at Gordon-Conwell Theological Seminary serves as a resource for faculty, students, alumni, visiting religion scholars, church leaders, missiologists and journalists. Interdisciplinary in nature, the CSGC integrates religion, history, sociology, anthropology, linguistics, missiology, demography and other disciplines in the study of global Christianity.
David B. Barrett
The origins of CSGC lie in the work of the Rev. Dr. David B. Barrett, an Anglican missionary who arrived in Kenya in 1957 to conduct a field survey of church affiliations in that country. Barrett’s work expanded to encompass religious affiliation of all kinds, throughout Africa and eventually worldwide. In the process, he established the World Evangelization Research Center (WERC) in Nairobi in 1965.
One product of Barrett’s research was the World Christian Encyclopedia (WCE), the first edition of which was over ten years in the making. Published in 1982 and containing information on some 22,000 Christian denominations worldwide, the WCE was hailed as a vital resource.
Virginia and the Global Evangelization Movement
At the invitation of the Southern Baptist Foreign (now International) Mission Board, Barrett and WERC moved to Richmond, Virginia, in 1985. Led by a desire to maintain his independence as a researcher, Barrett established the Global Evangelization Movement (GEM), of which WERC became a part. Meanwhile in 1989, Todd Johnson, a missionary researcher and doctoral candidate, had joined WERC and would serve as both a co-author for a second edition of the World Christian Encyclopedia and director of WERC.
Following the publication of the second edition of the WCE and its companion volume World Christian Trends (WCT) in 2001, the Rev. Richard Haney (a Richmond pastor and GEM board member) sensed that WERC’s mission might be accomplished more effectively as part of an academic institution. Haney’s friendship with the Rev. Doug Birdsall, director of the seminary’s J Christy Wilson Jr Center for World Missions, set in motion the events leading to the creation of the Center for the Study of Global Christianity.
The Current Status of the CSGC
Dr. Johnson moved to the Gordon-Conwell campus in South Hamilton, Massachusetts, in 2003 as director of the new CSGC. (Although the intent at the time was for Dr. Barrett to follow some months later, he continued to work from Richmond.) This same period saw the launch of the World Christian Database (WCD), an online collection of the data from the WCE and WCT. Information in the WCD is updated on an ongoing basis, and updates are published four times per year. To complement the WCD, the CSGC subsequently launched the World Religion Database in partnership with Boston University. More recently, the December 2009 publication of the Atlas of Global Christianity, which documents the shift of Christianity from the North to the Global South over the 20th century, has been greeted with enthusiasm by scholars and Christian leaders from around the world.
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