William J. Larkin Jr. is Professor of New Testament and Greek at Columbia International University Seminary and School of Missions. He is the author of Acts (IVP New Testament Commentary, 1995), Acts in Luke and Acts (Cornerstone Biblical Commentary, vol. 12; 2006), and Greek Is Great Gain (Wipf & Stock). He holds a PhD from the University of Durham and is an ordained minister in the Presbyterian Church in America.