David Grier is an American acoustic guitarist. He is considered to be one of the premier flatpicking guitarists in the world. His unique phrasing and his ability to create multiple variations on a theme are hallmarks of his playing style. He was named "Guitar Player of the Year" by the IBMA three times (1992, 1993 and 1995). Grier performs solo and as a member of the group Psychograss, founded by Darol Anger and Mike Marshall.