Wafik W. Wahba is professor of Global Christianity at Tyndale University in Toronto, Canada. He has taught and lectured on global Christianity and Christian-Muslim relations in twenty-five countries, including in the United States, the Middle East, Africa, Asia, and South America. He has contributed to several publications, including Edinburgh Companion to Global Christianity, The Rowman and Littlefield Handbook of Christianity in the Middle East, and Cascade's series The Global Story of Christianity. He served on the editorial advisory board and contributed several entries to the Encyclopedia of Christianity in the Global South.

Allen M. Wakabayashi has served on various campuses with InterVarsity Christian Fellowship. Currently, he serves at the University of Illinois at Urbana-Champaign, and he previously served at Northwestern University in Evanston, Illinois. He is the author of Kingdom Come.

Daniel Yang is the director of the Church Multiplication Institute at the Wheaton College Billy Graham Center, a think tank for evangelism and church planting. He has pastored and helped plant churches in Detroit, Dallas-Fort Worth, Toronto, and Chicago. He earned an MDiv from Southwestern Baptist Theological Seminary, a BS in computer science from the University of Michigan, and is currently a PhD student in intercultural studies at Trinity Evangelical Divinity School.

Jenny Yang is the senior vice president of advocacy and policy for World Relief.

Bryan Ye-Chung is an artist, designer, and entrepreneur. He is the cofounder and creative director of Alabaster Co., and has been featured in the Washington Post, the New Yorker, and Vox.

Allen Yeh (DPhil, Oxford) is dean and vice president of academic affairs at International Theological Seminary near Los Angeles. He is the author of Polycentric Missiology and the coeditor, with Tite Tiénou, of Majority World Theologies.

Jeanette Yep, an American-born Chinese, served as coordinator for Following Jesus Without Dishonoring Your Parents. She was an InterVarsity Christian Fellowship student leader at Mount Holyoke College. After graduation she spent a year studying Chinese language and culture in Taiwan. Recently she received an M.A. in communications from Northwestern University. Now in her twenty-first year on IV staff, she is a divisional director, based in Chicago. She is affectionately known by Urbana Student Mission Convention delegates as "Auntie Jeanette." She serves as a special director of staff training and development, working with student movements around the world.

Wang Yi is a leader of a Chinese house church. He is currently serving a nine-year prison sentence for refusing to comply with PRC regulations regarding church registration.

Amos Yong (PhD, Boston University) is professor of theology and mission and director of the Center for Missiological Research at Fuller Theological Seminary in Pasadena, California. He is the author or editor of over two dozen books, including Spirit of Love: A Trinitarian Theology of Grace, Afro-Pentecostalism: Black Pentecostal and Charismatic Christianity in History and Culture (coedited with Estrelda Alexander), Science and the Spirit: A Pentecostal Engagement with the Sciences (coedited with James K. A. Smith), and The Spirit Poured Out on All Flesh: Pentecostalism and the Possibility of Global Theology.