William R. Lucero, 1965 graduate, received a B.A. in Education in 1969 from Southern Colorado State College in Pueblo, and a Juris Doctorate in 1972 from the University of Denver School of Law.

He served in the Denver District Attorney's Office from 1972-1990 and the United States Attorney's Office from 1990-2001, where he supervised the Complex Prosecution Unit as well as the Appellate Unit. He returned to the Denver District Attorney's Office as a Chief Trial Deputy from 2001-2004. In 2004, he was appointed Presiding Disciplinary Judge for the Colorado Supreme Court. The Presiding Disciplinary Judge hears cases involving alleged lawyer misconduct as provided in the Colorado Rules of Professional Conduct and writes opinions after presiding over a formal hearing. These opinions are published in Westlaw and Lexis. He is admitted to practice in the State of Colorado, the Federal Courts of the District of Colorado, and the 10th Circuit Court of Appeals.

Judge Lucero has been a member of the Colorado Bar Association, the American Bar Association, and the Hispanic Bar Association of Colorado. In 2002, he was inducted into the American College of Trial Lawyers. He is a past member of the Colorado Supreme Court Grievanace Committee, the Attorney Regulation Committee, the Unauthorized Practice of Law Committee, the Federal Committee on Conduct, and the Colorado Supreme Court Delay Reduction Committee. He was awarded the Colorado Hispanic Bar Association's award for Outstanding Hispanic Lawyer of the Yearl in 1995. In 2007, he was awarded the Catholic Lawyers Guild of Colorado Outstanding Lifetime Achievement Award.