Gary L. McIntosh (PhD, Fuller Theological Seminary) is president of the Church Growth Network and professor of Christian ministry and leadership at Talbot School of Theology. He leads seminars and has written twenty books, including Biblical Church Growth, Beyond the First Visit, and Taking Your Church to the Next Level. He lives in Temecula, California.
Charles Arn (EdD, University of Southern California) is professor of Christian ministry at Wesley Seminary, Indiana Wesleyan University, and president of Church Growth, Inc., where he is responsible for research, design, and development of instructional materials. He has thirty-four years of experience in leading training events for churches and denominations throughout North America and the world. He is known as a leading voice in the church growth movement. He lives in Glendora, California.