Mr. Warburton was born in 1952 in Concordia, Kansas. He graduated with honors from the University of Notre Dame with a major in government in 1975. Upon graduation, he was commissioned as an infantry officer in the United States Army, graduating with honors from the Infantry Officer basic course and U.S. Army Ranger School at Fort Benning Georgia. He attended Georgetown University on an Army graduate fellowship, earning a masters degree in Russian Area Studies in 1977. Prior to starting his legal career, Mr. Warburton served four years in Europe as a mechanized infantry platoon leader, company commander and aide-de-camp to the Assistant Division Commander for the Third Infantry Division. After leaving the service, he worked for five years as an Assistant Director of Admissions and International Studies at Central University of Iowa before attending law school. Mr. Warburton earned his J.D. degree from the University of New Mexico School of Law in 1990, again graduating with honors, to include Order of the Coif and Phi Kappa Phi.

Mr. Warburton joined the Sheehan, Sheehan & Stelzner firm as an associate upon graduation from law school and became a director and shareholder of the firm in 1995. He practices primarily in the area of commercial litigation and with an emphasis on insurance coverage, complex litigation, products liability. He is admitted in all of the state district and appellate courts of New Mexico and Wyoming, the United States District Courts of New Mexico and Wyoming, the Tenth Circuit Court of Appeals and the United States Supreme Court.  He is also a member of the New Mexico and Wyoming Trial Lawyers Association, Defense Research Institute, and the Tort and Insurance Practice Section of the American Bar Association. Mr. Warburton is available to handle matters at the firm's Albuquerque, New Mexico and Jackson Hole, Wyoming offices.

Mr. Warburton's clients over the past two decades have included individuals, small businesses, medium and large corporations, insurance carriers, non-profits, religious entities, school districts, and various entities and agencies of county and state government. He has developed expertise on a wide range of insurance issues, to include environmental, products liability, construction, workers compensation, employment, sexual harassment, sexual misconduct, life, health, disability, ERISA, corporate owned life insurance (COLI), Uninsured/Underinsured motorist, property and casualty claims.