Ligon Duncan (PhD, University of Edinburgh) is chancellor and CEO of Reformed Theological Seminary, president of RTS Jackson, and the John E. Richards professor of systematic and historical theology. He is a board and council member of The Gospel Coalition. His new RTS course on the theology of the Westminster Standards is now available via RTS Global, the online program of RTS. He and his wife, Anne, have two adult children.

Scotty Smith is the founding pastor of Christ Community Church in Franklin, Tennessee.