John Barber Dr. John Barber is the pastor of Cornerstone Presbyterian Church (PCA) in Palm Beach Gardens, Florida. He holds theological degrees from Westminster Theological Seminary, Yale University, Whitefield Theological Seminary, and is currently pursuing advnced studies at the Free University of Amsterdam. John Barber has served as an itinerant evangelist, church planter, host of a nationally syndicated radio program, and writer for Dr. Bill Bright. Read More Read Less