Mack Wilberg is a composer, arranger, conductor, and the current music director of the Mormon Tabernacle Choir. He once was the associate director of the Temple Square Chorale for The Church of Jesus Christ of Latter-day Saints from May 1999 until his appointment as director on March 28, 2008. He is a former professor of music at BYU, where he directed the Men's Chorus and Concert Choir. At BYU, he was a member of the American Piano Quartet which included Paul Pollei, himself, and different other pianist at different times. This group toured throughout the world and commissioned many original works. Wilberg created many of their arrangements himself. His compositions and arrangements are performed and recorded by many choral organizations throughout