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Katie Koski is a born and raised Wyomingite and is proud to be a Wyoming native. Ms. Koski received her J.D. from the University of Wyoming in 2014 and her M.B.A. from Colorado State University in 2011. Ms. Koski joined Hathaway & Kunz as an associate attorney in 2018 and has a diverse practice focusing on complicated legal issues from a wide variety of legal disciplines, including business and corporate law, appellate law, administrative law, regulatory law, contract disputes, construction law, natural resource law and commercial litigation. Ms. Koski further practices in the areas of trust and estate administration, business planning and real estate.

Prior to joining Hathaway &amp; Kunz, Ms. Koski served as a hearing examiner before the Wyoming Public Service Commission, presiding over public utility regulatory matters, including rate-making proceedings and contested case proceedings involving the applicable avoided cost for a qualified facility pursuant to the Public Utility Regulatory Policies Act. Before serving as a hearing examiner, Ms. Koski served as a Staff Attorney for the Honorable W. Thomas Sullins in the Seventh Judicial District, Natrona County. In her capacity as a Staff Attorney, Ms. Koski drafted several decision letters and bench memoranda involving complex legal issues, including legal issues surrounding historical ditch rights, the Wyoming Uniform Trade Secrets Act, bankruptcy law, and the Wyoming Governmental Claims Act.

Ms. Koski takes pride in providing effective, efficient and high-quality representation to her clients. Ms. Koski strives to convey complex legal issues in a manner that can be easily understood and provide the best representation for her clients. When not in the office, Ms. Koski spends her free time with her family taking advantage of Wyoming’s great outdoors.


  • Business, Commercial & Corporate
  • Law
  • Appeals
  • Administrative Law
  • Regulatory Law
  • Energy & Natural Resource Law
  • Civil Litigation
  • Public Utilities Law

Related Employment

  • Staff Attorney/Hearing Examiner – Wyoming Public Service Commission, 2016-
  • Staff Attorney to the Honorable W. Thomas Sullins – Seventh Judicial District, Natrona County, Wyoming, 2014-2016
  • Student Intern – University of Wyoming Prosecution Assistance Clinic, 2014
  • Student Extern for the Honorable E. James Burke – Wyoming Supreme Court, 2013
  • Legal Intern – Wyoming Attorney General’s Office, Civil Division, 2013
  • Legal Assistant – Pence and MacMillan, LLC, 2009-2012

Professional Leadership & Memberships

  • FBI Citizen’s Academy Alumni Association – Denver Division, Member
  • Ewing T. Kerr American Inns of Court, Cheyenne, Wyoming, Member
  • Wyoming Bar Association
  • Staff Subcommittee on Electricity, National Association of Regulatory Utility
    Commissioners, Member, 2018
  • Wyoming State Bar Young Lawyer’s Section, Vice President, 2016-2017
  • Article Editor, Wyoming Law Review Editorial Board, 2013-2014


  • Juris Doctor, University of Wyoming College of Law, 2014
  • Study Abroad Program studying International Law, New England School of
    Law/National University of Ireland, 2012
  • Master of Business Administration, Colorado State University, 2011
  • Bachelor of Arts, Criminal Justice, University of Wyoming, 2009

Bar Admissions

  • Wyoming State Bar

Court Admissions

  • Wyoming Supreme Court
  • U.S. District of Wyoming


  • Case Note: Constitutional Law, Freedom of Expression: Wyoming Says Protecting Children
    Comes Second to Protecting Freedom of Speech; Operation Save America v. City of Jackson, 275
    P.3d 438 (Wyo. 2012), 13 WYO. LAW. REV. 679 (2013).