Bob Yandian, pastor of Grace Fellowship in Tulsa, Oklahoma, has an anointing and extensive teaching background that enables him to convey the uncompromised Word of God with an everyday practical clarity. Primarily, Bob ministers to students of the Word--fellow full-time ministers, congregational members, and Bible school students.A graduate of Trinity Bible College, Bob studied under its director and founder, Charles Duncombe, a contemporary and companion of Smith Wigglesworth. Bob also studied Greek at Southwestern College in Oklahoma City.In 1972 Bob began teaching regularly at Grace Fellowship where he was a founding member. In 1973 he began working for Kenneth Hagin Ministries as Tape Production Manager then, in 1977, for Rhema Bible Training Center as a teacher. Later he became Dean of Instructors. In 1980 he began pastoring Grace Fellowship.

Bob has taught and ministered throughout the United States and Canada, in South Africa, Guatemala, and the Philippines. He has spoken at numerous Full Gospel Businessmen's Fellowship International meetings; the Greater Pittsburgh Charismatic Conference; Bill Basansky's 1981, 1982, and 1983 jubilees; Salt Lake Institute of Religion (Mormon); and hosted the Local Church Seminar at Grace Fellowship.