Joined the court in 1991 after being nominated by President George H.W. Bush. Roll is the Chief Judge of the court serving as the court's lead judicial administrative officer in conjunction with the Clerk of Court in the day to day operations of the Court. A native Pennsylvanian, Roll graduated from the University of Arizona with his Bachelor's Degree in 1969 and his J.D. degree in 1972. Roll later graduated from the University of Virginia School of Law with his Masters of Laws Degree in 1990. Roll began his career as a Bailiff in the Pima County Superior Court from 1972 to 1973. Roll also became an Assistant city attorney for the City of Tucson in 1973. Later in 1973, Roll became the Deputy county attorney dealing with criminal cases for Pima County from 1973 to 1980. Then in 1980, Roll joined the US Attorney's Office as an Assistant US Attorney for the District of Arizona from 1980 to 1987. While with the US Attorney's Office, Roll led the organized drug crimes task force specializing in large drug cases from 1982 to 1986 before becoming the lead civil attorney for the US Attorney's Office from 1986 to 1987. Then from 1987 to 1991, Roll was appointed as a State Appeals Judge in the Division Two Arizona Court of Appeals and while as appeals judge served as the Presiding Judge for Division Two from 1988 to 1991 before becoming vice chief judge in 1991. Later in 1991, Roll was a Criminal Superior Court Judge in the Pima County Superior Court before his nomination to the Federal Bench in 1991. Roll also served as a clinical instructor for the University of Arizona College of Law from 1978 to 1979. Born Feb. 8, 1947, in Pittsburgh, Roll is survived by his wife, Maureen, three sons and five grandchildren.