Walter C. Kaiser, Jr. is the Colman M. Mockler Distinguished Professor Emeritus of Old Testament and the former president of Gordon-Conwell Theological Seminary (South Hamilton, Massachusetts). Previously he served as professor of Old Testament and vice president for education at Trinity Evangelical Divinity School (Deerfield, Illinois). He is a popular evangelical scholar who has written numerous books on the Old Testament and regularly teaches at conferences and churches around the world.

Tiberius Rata is the associate dean of the School of Ministry Studies and professor of Old Testament studies at Grace Seminary (Winona Lake, Indiana). He holds a Ph.D. in Old Testament from Trinity Evangelical Divinity School (Deerfield, Illinois).