Mr. Phillips has practiced environmental law and litigation for more than 25 years. His experience includes Environmental Protection Agency (EPA) enforcement actions under the Clean Air Act, RCRA, and the Clean Water Act (including storm water, NPDES and Section 404); representing companies in Superfund proceedings; overseeing Environmental Impact Statements for new projects; and preparing detailed analyses outlining state and federal environmental laws and regulations applicable to new projects and acquisitions. Mr. Phillips has represented national energy and resources trade organizations in rule making and litigation before EPA and the D.C. Circuit Court of Appeals. He has often represented companies in soil and groundwater contamination cases and "toxic tort" cases.

From 2003 to 2007, Mr. Phillips served as the Chair of Holland & Hart's Management Committee, overseeing substantial growth in the firm to more than 375 lawyers in seven states and the District of Columbia. Previously, he served as Chair of the firm's Resources Department and Practice Manager of its Environmental Group.

Mr. Phillips is listed in Chambers USA, The Best Lawyers in America and Who's Who in America. In 2004, the Colorado Bar voted Mr. Phillips the top Natural Resources/Environmental lawyer in the Denver Business Journal's "Best of the Bar" survey. He was selected for inclusion in Colorado Super Lawyers in 2009 and 2010 for his work in environmental law. He is admitted to practice before the U.S. Supreme Court, the 9th, 10th and D.C. Circuit Courts of Appeal and various other courts.

Mr. Phillips has published extensively in both legal and technical periodicals and has taught courses on various aspects of environmental law.

Founding Editor, Natural Resources and Environment, the ABA's Natural Resources Section's magazine

Issues Editor, Environmental Permitting: Negotiating the Maze

"The Technical Basis for a Thoracic Particulate Matter Standard"

"Pollution Lawsuits Among Private Parties," Colorado Real Estate Journal

"NEPA and Alternative Energy: Wind as a Case Study," Solar Law Reporter

Instructor, Rocky Mountain Mineral Law Foundation's short course on Management of Hazardous Substances

Co-author, the Environmental Law Title of the first and second edition of the American Law of Mining