Judge Kimball grew up on a dairy farm in Draper, Utah. He received an undergraduate degree from Brigham Young University in 1964 and a Juris Doctor degree from the University of Utah Law School in 1967. He engaged in a general practice as an associate, then partner with Vancott, Bagley, Cornwall & McCarthy in Salt Lake City from 1967-1974. He was an Associate Professor of law at the BYU Law School from the summer of 1974 until the summer of 1976 and then an Adjunct Professor until 1980. In the spring of 1975, Kimball was one of the founding partners of the law firm that became Kimball, Parr, Waddoups, Brown & Gee, now Parr, Brown, Gee & Loveless. He was appointed a United States District Judge by President Clinton in November 1997.