Judge Mullins was appointed to the Denver District Court bench in November 1990. Prior to his appointment to the bench, Judge Mullins practiced in the Denver Trial Office of the Colorado State Public Defender for several years and then served in the Litigation Section of the Colorado Attorney General's Office, specializing in appellate matters and working in the Division of Hearing Officers. He also spent several years in private practice in Denver, specializing in worker's compensation, criminal and administrative law. Judge Mullins received his undergraduate degree from St. Louis University and his law degree from the University of Colorado Law School in 1975. Judge Mullins presently hears civil cases. He has also served in the criminal and domestic relations divisions during the past ten years.
Judge Mullins believes that it is important for a judge to be active and visible in the community. He believes that it provides the judge with an opportunity to understand the community concerns and a framework within which to make decisions. Judge Mullins encourages students to visit his court and speaks with them when time permits. Judge Mullins enjoys playing golf for recreation.