Practice Areas
    Energy, Oil & Gas Law
    Environmental Law
Additional Practice Areas
  • Environmental Compliance
  • Global Climate Change
  • Natural Resources
  • Wildlife
Professional Experience
Holland & Hart LLP
University of Oregon School of Law
Order of the Coif, Managing Editor, University of Oregon Law Review
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Colorado College
Phi Beta Kappa
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Professional Associations
Activities: Member, American Bar Association Member, District of Columbia Bar Association Member, Wyoming Bar Association Member, Colorado Bar Association Member, Nevada Bar Association
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Activities: Mr. Brennan is listed in Who's Who in America, and the International Who's Who in Environmental Lawyers (2004-2007), and The Best Lawyers in America (2007).
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Websites & Blogs
Contact & Map
25 S Willow St
Jackson, WY 83001
Telephone: (307) 734-4504
Fax: (800) 840-5396
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