 Reif worked as a police officer in Owasso, Oklahoma, from 1973 to 1975 and as a Planner and Grants Specialist for the Law Enforcement Assistance Administration of the Indian Nations Council of Governments (INCOG) from 1974 to 1977.After finishing law school, Reif was an assistant district attorney for Tulsa County, Oklahoma, from 1978 until his appointment as a Special District Judge for Oklahoma's Fourteenth Judicial District in Tulsa County, Oklahoma, in 1981.Reif served as a Special District Judge from 1981 to 1984, when he was appointed to the Oklahoma Court of Civil Appeals.