Mark Labberton is the former president of Fuller Theological Seminary in Pasadena, California. He previously served as Lloyd John Ogilvie chair for preaching and director of the Lloyd John Ogilvie Institute for Preaching. Prior to that, Labbertonwas senior pastor of First Presbyterian Church of Berkeley, California. He has also served as chair of John Stott Ministries. Today he continues to contribute to the mission of the global church as a senior fellow of the International Justice Mission. He is the author of The Dangerous Act of Loving Your Neighbor and The Dangerous Act of Worship. Allen Yeh (DPhil, Oxford University) is associate professor of intercultural studies and missiology at Biola University. A missiologist who specializes in Latin America and China, he has traveled to over sixty countries and every continent to study, do missions work, and experience the culture.

He is the coauthor of Routes and Radishes: and Other Things to Talk About at the Evangelical Crossroads and co-editor of Expect Great Things, Attempt Great Things. A member of overtwenty associations, Allen serves on the board of directors for American Baptist International and is a member of the executive planning committee for the Asian American Pacific Islander Faith Alliance. He is also founder and chairman of the World Christianity study group at the Evangelical Theological Society. Galli is the managing editor of Christianity Today magazine. He previously edited Christian History. He received a Master of Divinity degree from Fuller Theological Seminary in Pasadena, California, and for 10 years served as a Presbyterian pastor in parishes in Mexico City and California. He has written books on preaching, prayer and the challenges of pastoral ministry, and is a contributing writer to The Christian Millennial History Project. He is married with three children.

Shane Claiborne is a preacher, writer and lover of Jesus. He attended Eastern University, where he studied sociology and youth ministry. Claiborne is cofounder of The Simple Way and is currently a part of The Alternative Seminary in Philadelphia,Pennsylvania. He serves on the board of the Christian Community Development Association. He is the author of The Irresistible Revolution and coauthor of Jesus for President. Catch up with him at thesimpleway.org. Tom Lin is the director of the Urbana Student Missions Conference and vice president of missions for InterVarsity Christian Fellowship/USA.

He has planted a student movement in Mongolia with the International Fellowship of Evangelical Students, helped plant sixteen campus fellowships in the U.S. and spoken to thousands about missions. He is the author of Losing Face Finding Grace, and he also serves as the vice chairman of the board for Wycliffe Bible Translators and as the Lausanne international deputy director for North America. Rev. Dr. Soong-Chan Rah (ThM, Harvard; DMin, Gordon-Conwell; ThD, Duke) is Robert B. Munger Professor of Evangelism and Church Renewal at Fuller Theological Seminary.

He is the author of several books including The Next Evangelicalism, Many Colors, and Prophetic Lament, and he is the co-author of Unsettling Truths. Rah has extensive experience in cross-cultural preaching and has been a main stage speaker at the Urbana Student Missions Conference, the Congress on Urban Ministry, the Urban Youth Workers Institute Conference, the CCDA National Conference, the Gordon-Conwell Theological Seminary National Preaching Conference, the Fuller Missiology Conference, the Justice Conference, and Verge, Catalyst, and Calvin Worship Conferences. Robert Chao Romero (PhD, Universidad de California en Los Ángeles; JD, Universidad de California en Berkeley) es profesor asociado en los Departamentos de Estudios Chicanos y Estudios Asiático Americanos en la Universidad de California en Los Ángeles. Además de Iglesia mestiza, él es el autor de los premiados The Chinese in Mexico, 1882-1940, Jesus for Revolutionaries: An Introduction to Race, Social Justice, and Christianity y Mixed Race Student Politics. Sandra Maria Van Opstal is a second-generation Latina pastor, an activist, an author, and a powerful leading voice on the intersection of faith and justice. She is executive director of Chasing Justice, a movement that mobilizes Christians to livejustly. Sandra''s distinctiveness comes from working in both local and global contexts as a practitioner and an academic. She has reached audiences around the world on topics of reconciliation, global justice, and worship.