After receiving his law degree he was a Law Clerk for the South Dakota First Judicial Circuit Court in Yankton, South Dakota from 1989 – 1990. In 1990 he joined the law firm of Woods, Fuller, Shultz & Smith in Sioux Falls, South Dakota and continued his practice with the firm until 1995 when he joined the law firm of Johnson, Heidepriem, Janklow, Abdallah & Johnson in Sioux Falls, South Dakota. He was a partner with the firm until September 1, 2008 when he left to join his father in the creation of Janklow Law Firm, Prof. L.L.C.
Russell has lectured at the USD School of Law and at several insurance and claims forums. He has successfully acted as a private mediator in civil law cases since 2007 and also been designated as an expert witness in cases of Workers Compensation, Insurance Bad Faith and Legal Malpractice.