Upon graduating from Sioux Falls College in 1964, Allen Nelson served as a First Lieutenant in the United States Army in Vietnam. Al received his law degree from the University of South Dakota School of Law and served as the Editor-in-Chief of the South Dakota Law Review. He was admitted to practice in 1972 and served for one year as a law clerk for Judge Andrew W. Bogue of the United States District Court in Rapid City, South Dakota. Al is a member of the American Bar Association, South Dakota Bar Association and the Cooperative Bar Association. His current area of practice is Cooperative Law.