Stuart was a native of Lincoln and graduated from the University of Nebraska-Lincoln with a degree in Business Administration. In 1969, Stuart joined Citibank in New York City and served as a loan officer until 1973, when he joined First Commerce Bancshares (then NBC Co.) as executive vice president. He was named president in 1976, chairman and CEO in 1978, and also became chairman and CEO of National Bank of Commerce in 1985. Stuart spent much of his career with First Commerce Bancshares, a $3 billion multi-bank holding company headquartered in Lincoln. First Commerce was sold to Wells Fargo in 2000. He is a former member of the Nebraska Game and Parks Commission and was appointed by Gov. Dave Heineman to the board of the Nebraska Environmental Trust in 2008. Stuart was also involved with natural resources-related groups such as Nature Conservancy, Ducks Unlimited and U.S. National Forest Foundation. He served on the international board of the Juvenile Diabetes Foundation and the boards of the University of Nebraska Foundation and Nebraska Wesleyan University. Stuart was living in Scottsdale, overlooking his family's financial investments, as well as golfing and fishing. He had three sons and four daughters.