Todd M. Johnson, Ph.D., Co-Director
Todd M. Johnson is the Paul E. and Eva B. Toms Distinguished Professor of Mission and Global Christianity and Co-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).
Contact: [email protected]
Gina A. Zurlo is Co-Director of the Center for the Study of Global Christianity and her research focuses on the demography of religion, World Christianity, sociology of religion, and women’s studies. She is also a Visiting Research Fellow at Boston University’s Institute on Culture, Religion and World Affairs, where she works on the World Religion Database (Brill). Her most recent books include Global Christianity: A Guide to the World’s Largest Religion from Afghanistan to Zimbabwe (Zondervan Academic, 2022), Women in World Christianity: Building and Sustaining a Global Movement (Wiley-Blackwell, 2023), and From Nairobi to the World: David B. Barrett and the Re-Imagining of World Christianity (Brill, 2023). She was named one of the BBC’s 100 most inspiring and influential women of 2019 for her work in quantifying the religious future. She was a Yang Visiting Scholar in World Christianity at Harvard Divinity School in 2023–2024. Twitter: @gina_zurlo
Contact: [email protected]
Peter F. Crossing’s background as a professional forester in Australia has proven useful when re-applied to the task of tracking disciples of Jesus Christ in all nations. He has a Diploma of Theology (Missiology) from the Australian College of Theology at WEC’s Missionary Training College and has gained further computer mapping and database expertise through work at the Sydney Centre for World Mission, the National Church Life Survey, and Mapinfo Australia. These positions led to a role as data analyst for the World Christian Database, from which came the World Christian Encyclopedia, World Christian Trends and now the Atlas of Global Christianity. He is married with two daughters and a son and lives near Sydney, telecommuting daily to Boston’s Center for the Study of Global Christianity.
Bradley A. Coon is a research associate at the Center for the Study of Global Christianity and was the Information Designer for the Atlas of Global Christianity. He has a BA in Biblical and Theological Studies from Gordon College, an MA in Religion with a concentration in Global Christianity from Gordon-Conwell and is currently enrolled in a Doctor of Ministry program at Gordon-Conwell. At home with his wife, Mary, in northeastern Massachusetts, Brad enjoys woodworking, scuba diving, playing guitar at church and walking their dog, Nelly.
A graduate of Gordon-Conwell Theological Seminary (M.Div, 2020), Michael has been with the Center for the Study of Global Christianity since 2018. Prior to his studies, he worked as an analyst in commercial real estate and led small groups for his church in Los Angeles. He also holds a BA in Political Science from UCLA. An avid writer of short fiction and creative nonfiction, Michael is currently in the MFA in Writing program at Vermont College of Fine Arts.
Bert Hickman is Director of Research for RUN Ministries, a ministry that equips first-generation Christian leaders from the global South by providing evangelistic media tools, a culturally sensitive discipleship model, and practical skills for their ministries to become self-sustaining and multiply as church planting movements. A 2007 graduate of Gordon-Conwell (M.A.R.), he also holds degrees in chemical engineering, health physics, and toxicology. He currently is an associate editor for the Edinburgh Companions to Global Christianity series and previously served as associate editor for the Atlas of Global Christianity and an associate editor for the World Christian Encyclopedia, Third Edition.
Kenneth R. Ross is Professor of Contextual Theology at Zomba Theological University, Visiting Professor at the University of Livingstonia and Nile Theological College, Juba, and Honorary Fellow at the Edinburgh University School of Divinity. He is a Presbyterian pastor (Church of Scotland) who 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 Ecumenical Missiology: Changing Landscapes and New Conceptions of Mission (Oxford: Regnum and Geneva: WCC, 2016) and Mission as God’s Spiral of Renewal (Mzuzu: Mzuni Press, 2019). His work with the Center is focused on co-editing the “Edinburgh Companions to Global Christianity” – a series of books published by Edinburgh University Press.
Chris is currently pursuing a post-graduate degree in Clinical Counseling (M.A. Counseling) here at Gordon-Conwell Theological Seminary, being equipped to be a licensed counselor and in hope to serve in cross-cultural settings in the future, to provide mental health support to pastors and missionaries, and to reach the unreached via counseling. Prior to his studies at GCTS, Chris has an education background in Architecture (M.Arch.) and Climatology (B.S.), diverse research and work experience in Urban Planning, Social Work, Education, and Historical Architecture Archives. Chris also has deep exposure and involvement in Church Admin. & Ministries, Intercultural Studies, and Missions (US, Japan, & Southeast Asia).
Amy is a student at Gordon-Conwell Theological Seminary pursuing a Master of Divinity after graduating from Northeastern University with a bachelor’s degree in psychology. She currently serves as a pastoral intern at her home church in Andover, MA, with a heart for the Gospel to reach the next generation and as a Graduate Assistant at Boston Theological Interreligious Consortium with a heart for creating space to connect people from different journeys of faith. Along with her studies and work, Amy is eager to learn more about how God is moving around the world through the research opportunities at the Center of the Study of Global Christianity.
Sonya was born in Edison, NJ, but raised in Taipei, Taiwan, where she completed her BA in Pharmacy from Taipei Medical University and practiced as a registered pharmacist in a medical center for several years. Sonya is passionate about serving marginalized people groups with healthcare assistance, especially in developing contextualized mission strategies in another culture. She has organized and participated in various medical mission ministries, in the aboriginal community in Taiwan and overseas for the past ten years. Before studying in the Seminary, she joined a local medical team in Lebanon for 11 months through Interserve Taiwan as a short-term missionary. She developed a healthcare education curriculum for women and children with the help of her beloved Syrian and Lebanese friends. She is currently pursuing a Master of Christian Ministries at Gordon Conwell Theological Seminary. Besides her love for learning about different cultures, she enjoys cycling, swimming, and caring for her house plants.
A graduate of the United States Military Academy (USMA) at West Point, immersed in print production experience at Last Days Ministries (LDM), and seconded 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.
Bryan Nicholson is a Cartographer/Geographer working on the Design Team at the Center for the Study of Global Christianity. He is a graduate of Clemson University (B.S. in Management) and the University of Georgia (M.S. in Geography). His studies focused on cartography, geographic information systems (GIS), and cultural geography. He has designed maps and data visualizations for many organizations and publications through his project, cartoMission. He also teaches as an adjunct Geography instructor in Colorado Springs, CO.