Kevin R. Duncan was born in Ogden, Utah, on October 6, 1960. He married Nancy Elizabeth Smart in June 1986. They are the parents of five children.
He received a bachelor’s degree in accounting, a master’s degree in taxation, and a juris doctor from Brigham Young University in 1991.
He has served in a number of Church callings, including full-time missionary in Chile, temple ordinance worker, Church-service missionary as the associate international legal counsel in South America, president of the Chile Santiago North Mission, Area Seventy, and president of the Central America Area.
At the time of his call, Elder Kevin R. Duncan had been serving as a member of the Fifth Quorum of the Seventy in the Utah South Area. He is currently serving at Church headquarters as an assistant executive director in the Temple Department and on the Scriptures Committee.
He began his career as a tax attorney in Seattle, Washington. In 1996 he founded CaseData Corporation, from which he retired in 2005.