Dr. Nathan Killian's early religious background was Evangelical United Brethren. He is a denominationally ordained minister and has served in multiple ministry capacities throughout the years. He has traveled both nationally and internationally in a teaching and preaching ministry. These religious services were conducted for churches of various denominations.
His ministry has been through pastoring, evangelism, television, radio, recorded messages, writing of Christian literature, and the establishment of various academic college programs. Churches which he has pastored were honored by being listed in the "fastest growing category" within the United States.
He is presently the President / Chancellor, of the Evangelical Theological Seminary, as well as the President of the Evangelical Ministerial Association.
Dr. Killian's educational achievements include the following degrees: Bachelor of Theology, Master of Theology, Doctor of Theology, Doctor of Philosophy in Religious Psychology, Doctor of Philosophy in Institutionary Administration, and a Doctor of Literary Letters.
The selection committee of Marquis' "Who's Who" chose his biographical data to be placed in the ensuing books: "Who's Who in the South and Southwest,"Who's Who in Religion," and "Who's Who in the World."