Kelsey Wasylenky




Kelsey joined Jost Energy Law, P.C. in February 2016 after her business partner Jamie Jost founded the firm. In 2018, Kelsey became a Shareholder and has helped Jost Energy Law become a premier firm for all aspects of Colorado and Wyoming oil and gas law. She has been practicing in this sector since 2006 and has demonstrated herself to be an expert and advocate in the oil and gas industry. Kelsey is immensely proud to lead a team of smart, dedicated women in the effort to advance responsible energy development.

Admissions & Education

Admissions & Education

Bar Admissions

  • Colorado
  • Wyoming



University of Denver, Daniels College of Business
M.B.A., 2011

  • Environmental Policy & Management

University of San Diego School of Law
J.D., 2006

Brown University
B.A., 2002

  • International Relations

Expertise & Experience

Expertise & Experience


  • Regulatory
  • Transactional
  • Local Government
  • Litigation


Representative Results

Obtained numerous spacing, density, and pooling orders from Colorado Oil & Gas Conservation Commission

Obtained favorable decisions in multiple contested hearings for oil & gas operators from Colorado Oil & Gas Conservation Commission

Represented oil and gas operators in multiple purchase and sale transactions, including due diligence, for oil and gas assets in Colorado and New Mexico

Represented oil and gas operators in land management, regulatory and environmental compliance, contract negotiation, property sale and acquisition, oversight of corporate litigation, entity formation and dissolution, business planning, and general oil and gas transactional matters

Drafted, reviewed and managed numerous oil and gas leases, mineral and leasehold acquisition and divestiture, surface use agreements, confidentiality agreements and joint operating agreements

Professional Accomplishments

Professional Accomplishments

Publications and Speeches

  • “Oil and Gas Issues in Real Estate Transactions,” Cox Education LLC Seminar, March 2021, Instructor
  • “Navigating the New Normal,” Jost Energy Law, P.C. and Wheeler Trigg O’Donnell LLP Presentation, January 2021, Co-Presenter
  • “COGCC Mission Change Rules: An Overview,” Women in Oil and Gas Association Virtual Tech Lunch, December 2020, Presenter
  • “Colorado’s New Oil & Gas Reality in the Post SB 19-181 World,” CLE Presentation, January 2020, Co-Presenter
  • “The Oil and Gas Well Permitting Race and Unintended Consequences,” Wyoming State Bar, Energy and Natural Resources Section Summit,  June 2019, Speaker
  • The Ethics of Representing Clients in Contentious Public Meetings,” 64th Annual Rocky Mountain Mineral Law Foundation, Annual Institute 13-1, July 2018, Co-Author and Presenter
  • Wyoming Business Alliance Quarterly Webinar, 2018-2019, Presenter
  • Colorado Mesa University, February 2018, Guest Lecturer
  • “Legislative Oil and Gas Update,” Colorado Association of Petroleum Accountants, Financial Reporting Committee, 2017-2018, Co-Presenter
  • “Annual Oil and Gas Update,” Colorado Bar Association, June 2016, Speaker


Awards and Recognition

  • Denver Business Journal’s Who’s Who in Energy, 2019


Professional and Community Involvement

  • Colorado Bar Association, Member
  • Colorado Oil and Gas Association, Member
  • Colorado Oil and Gas Association EnGen Program, 2017 Graduate
  • Denver Association of Petroleum Landmen, Member
  • Denver Bar Association, Member
  • Rocky Mountain Mineral Law Foundation, Member
  • Western Stock Show Association, Lifetime Member since 2020
  • Wyoming Association of Professional Landmen, Member
  • Wyoming Bar Association, Member
  • Wyoming Business Alliance, Member