George H. Guthrie (PhD, Southwestern Baptist Theological Seminary) serves as the Benjamin W. Perry Professor of Bible at Union University in Jackson, Tennessee. As a specialist in New Testament and Greek, he is the author of numerous articles and four books including the volume Hebrews in the NIV Application Commentary series. Janet Nygren is currently the Women's Ministry Coordinator for the Princeton Presbyterian Church (PCA) in Princeton, NJ. Karen H. Jobes (PhD, Westminister Theological Seminary) is the Gerald F. Hawthorne Professor Emerita of New Testament Greek and Exegesis at Wheaton College and Graduate school in Wheaton, Illinois. The author of several works, she has also been involved in the NIV Bible translation. She and her husband, Forrest, live in Philadelphia and are members of an Evangelical Presbyterian Church.
