We welcome Sinclair Ferguson back to PCPC. He is a native of Scotland and earned his Ph.D. at the University of Aberdeen. He was for many years Professor of Systematic Theology at Westminster Seminary in Philadelphia and at Redeemer Seminary in Dallas. He was on staff at PCPC from 2004-2005. He is currently the honorary preaching associate at Trinity Church in Aberdeen with David Gibson. He has authored around fifty books and is the host of the Things Unseen podcast. He and his wife Dorothy have three sons, a daughter, and eleven grandchildren.