Clay Christiansen /krɪsˈtiːænsɛn/ is an American organist who previously played for the Salt Lake Tabernacle organ and the Mormon Tabernacle Choir. He accompanied the Choir in Salt Lake City and when it was on tour. Christiansen gave organ recitals in the Salt Lake Tabernacle and the Conference Center. Christiansen has a bachelor's degree from Brigham Young University and masters and Ph.D. in Music Composition from the University of Utah (1988). Christiansen and his wife, Diane, are the parents of 13 children.