Authors

Tim Chester is a church leader from Sheffield, England, the author of You Can Change, and the associate director of Porterbrook Seminary.

Scott Christensen (MDiv, The Master's Seminary) is the author of What about Free Will? He worked for nine years at the award-winning CCY Architects in Aspen, Colorado: several of his home designs were featured in Architectural Digest magazine. Called out of this work to the ministry, he graduated with honors from seminary and now serves as the associate pastor of Kerrville Bible Church in Kerrville, Texas.

Vance E. Christie (MDiv, Grace Theological Seminary) is ordained in the Evangelical Free Church in America and is a member of EFCA Ministerial Association.

Martin E. Clark (AB, AM Bob Jones University; PhD, Virginia Polytechnic Institute and State University) was director of counseling at Cedarville University before serving as its vice president of development.

R. Scott Clark (DPhil, University of Oxford) is professor of church history and historical theology at Westminster Seminary California, where he has taught since 1997. He is the author of Caspar Olevian and the Substance of the Covenant: The Double Benefit of Christ (2005); editor of and contributor to Covenant, Justification, and Pastoral Ministry: Essays by the Faculty of Westminster Seminary California (2007); and coeditor of and contributor to Protestant Scholasticism: Essays in Reassessment (1999). He is Associate Pastor of Oceanside United Reformed Church and lives in Escondido, California, with his wife and children.