Don Cook served on the organ faculty of Brigham Young University between 1991 and 2025. He was organ area coordinator, university carillonneur, and oversaw the group organ program. Previous to that he held associate organist/choirmaster positions at Christ Church Cranbrook, Bloomfield Hills, Michigan, and at First United Methodist Church, Lubbock, Texas. Between 2014 and 2020 he served as National Councillor for Education for the American Guild of Organists.
After earning Bachelor and Master of Music degrees in organ at Brigham Young University, he received the Doctor of Musical Arts degree in Organ Performance from the University of Kansas. His principal organ teachers were J.J. Keeler at BYU and James Moeser at KU. For many years he served as head of the instrumental area for the BYU Workshop on Church Music, and founded the annual BYU Organ Workshop in 2002. He appears frequently as a Guest Organist at the Mormon Tabernacle in Salt Lake City.
Don studied carillon with Albert Gerken while pursuing doctoral studies in organ at the University of Kansas. He became a full member of the Guild of Carillonneurs in North America in 1984, and performed actively throughout North America for many years. He served on the Board of Directors and as chair of the Music Publications Committee for the guild. In 1994 he hosted the annual Congress of the Guild of Carillonneurs in North America at Brigham Young University.
He has developed and published the first multimedia organ tutorial for pianists, Organ Tutor Organ 101, in several versions. The tutorial is used for private and group instruction, online Organ Study courses, and by individuals in at least nine countries.