Mr. Campbell has 30 years of litigation experience in the state and federal courts of New Mexico. His practice concentrates on oil and gas, antitrust and environmental litigation.

Mr. Campbell has represented large, integrated oil and gas companies, as well as independent operators, in a wide variety of oil and gas disputes, several of which were putative class actions. His jury experience has included take-or-pay litigation, surface use disputes, tort claims and royalty controversies with both private and governmental entities. He has tried to verdict antitrust claims in the oil and gas arena, including a price fixing claim brought pursuant to Section 1 of the Sherman Act and participated in major environmental litigation involving the Comprehensive Environmental Response, Compensation and Liability Act.

Mr. Campbell is listed in Best Lawyers, Southwest Super Lawyers and Chambers USA America's Leading Lawyers for Business.

Member, State Bar of New Mexico

Member, American Bar Association

Member, Oliver Seth American Inn of Court

Panelist: "The Class Action Fairness Act of 2005:Toxic Tort and Environmental Litigation?," American Bar Association, Section of Environment, Energy, and Resources, March 23, 2005

"Developments in Royalty Class Actions," The Annual Institute on Oil and Gas Law, 56th Annual Oil &Gas Law Program (February 2005); The Center for American and International Law

"Antitrust Pitfalls in the Natural Gas Industry," Rocky Mountain Mineral Law Foundation, Natural Gas Marketing & Transportation Paper No. 11, 1991

"The Implications of Gas Policy for the Western States: A Producer Perspective," Natural Resources Journal, 1987