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Affie Ellis

Of Counsel

2515 Warren Avenue, Suite 450, Cheyenne, WY 82001

Clients benefit from Affie’s experience with tribal, state, and federal government and her ability to find common ground between government, private industries, and environmental groups on many complex issues.

Advice on Tribal Issues: Affie has a strong background in federal Indian law and policy, having worked for former U.S. Senator Craig Thomas who served as the Chairman of the U.S. Senate Committee on Indian Affairs.  She taught federal Indian law as an adjunct professor at the University of Wyoming. In 2010, Affie' was selected to serve as a  Commissioner of the U.S. Tribal Law and Order Commission, which developed a comprehensive study of law enforcement and criminal jurisdiction in Indian Country. Affie testified before the U.S. House of Representative and Senate Committees on their work and the Commission submitted findings and recommendations to the President and Congress in 2014. Affie is a member of the Navajo Nation and in 2017, the Tribe appointed her to serve on the Navajo Nation Gaming Enterprises Board of Directors. Affie’s experience in gaming includes prior work for the National Indian Gaming Commission national office in Washington, DC.

Advice on Public Land and Natural Resource Issues: Affie’s experience in public lands and natural resources law includes working as a Legislative Assistant for former U.S. Senator Craig Thomas, who served on the U.S. Senate Committee on Energy and Natural Resources. Upon receiving her law degree, Affie represented the State of Wyoming as an Assistant Attorney General, where she defended the state’s interest in litigation involving the National Environmental Policy Act, Endangered Species Act, National Forest Management Act, and Federal Land Policy Management Act. During law school, Affie interned for the Navajo Nation Department of Justice’s Natural Resource Unit.


Affie draws on her experience in the government sector to counsel clients on a variety of matters:

  • Permitting procedure
  • Regulatory compliance
  • Federal legislative and regulatory affairs
  • American Indian law
  • Tribal relations


Bar Admissions


  • Casper Star-Tribune recognized Ellis as one of Wyoming’s outstanding citizens in its 2011 “20 Under 40” Section 
  • University of Wyoming 2011 Woman of Distinction
  • Wyoming Woman of Influence 2017 for Government, Law and Economic Development 
  • Governing Institute, Women in Government  Leadership Program, Class of 2018

Professional and Civic Affiliations

  • Wyoming Women's Legislative Caucus, Co-Chairman
  • Wyoming Community Foundation, Board Member, 2011-Present
  • American Bar Association – Criminal Justice Section, Tribal Lands Subcommittee, Co-Chair, 2014-Present
  • University of Wyoming Native American Education, Research and Cultural Center Advisory Board
  • U.S. Commission on Civil Rights, Wyoming State Advisory Committee, Member, 2013-Present
  • American Council of Young Political Leaders, Delegate and Escort, 2010 (Brazil), 2016 (China and Taiwan)
  • American Council on Germany, 2016
  • Cheyenne Frontier Days, Indian Village Committee, 2008-Present

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