Judge Moss received his undergraduate degree from the University of California at Santa Barbara. During 1970 – 1972, Judge Moss was an armor platoon leader and armor company executive officer in the U.S. Army. He received his legal training at Southwestern University School of Law in Los Angeles and at the Georgetown Law Center in Washington, D.C.
Judge Moss served as a Judicial Intern at the United States Supreme Court, after which he served as Senior Law Clerk to Judge Sherman Finesilver of the U.S. District Court in Denver. In private practice for more than 20 years, Judge Moss worked primarily in the areas of oil and gas, real estate and general commercial litigation. He is a member of the National Advisory Council of the American Judicature Society, an Advisory Committee member of The Center for Judicial Ethics, and a long time member of the Colorado Bar Association Ethics Committee. In 2001, Judge Moss was named a Volunteer Lawyer of the Year by the Denver-based Metropolitan Volunteer Lawyers. Before being appointed to the bench in 2004, Judge Moss was on the city council of Westminster, Colorado, and was later the city’s Mayor.