Doctor Coltharp frequently preaches, teaches, leads, and writes in a variety of contexts. He has served in various ministry and administrative roles: as the Illinois District Youth Secretary and Illinois District Youth President, as a Presbyter on the Illinois District Board, as an Adjunct Professor at Gateway College of Evangelism, as the Vice-Chairman of the Gateway College of Evangelism Board, and as the Executive Presbyter for the Eastern Zone of the UPCI. Currently, Dr. Coltharp continues to serve as Lead Pastor of FAC Aurora, as the District Superintendent of the Illinois District UPCI, and as the President of Urshan College (UC) and Urshan Graduate School of Theology (UGST).