Greg Matlock is a partner in Mayer Brown's Houston office and a member of the Tax Transactions & Consulting practice. He serves as a global co-leader of the Tax-Energy group, and he also leads Mayer Brown’s tax efforts regarding the energy transition for traditional natural resource based businesses, including carbon capture use and sequestration (and Section 45Q), waste-to-energy, hydrogen, biomass and biofuels, and certain other energy efficient sources. Prior to joining Mayer Brown, Greg served as EY's Americas Energy and Resources Tax leader. 

Greg has extensive experience in US federal income tax planning and structuring for transactions involving partnerships and corporations, with particular emphasis on energy-related investments. He regularly leads tax efforts related to investments and transactions throughout the energy spectrum, including oil and gas, mining and metals, power and utilities, and renewable energy. Greg has considerable experience with both private and public energy related transactions, including various capital market transactions (including IPO, Up-C, MLP, SPAC, and REIT transactions), throughout the Americas and globally. He represents domestic and international energy companies, private equity funds, strategic investors, and various other stakeholders.

Greg is a frequent speaker and author on energy tax matters.


  • Anglais


  • Represented various foreign companies and investors regarding tax planning and structuring for investments in US energy assets.
  • Represented various mining companies regarding mergers and acquisitions, as well as tax technical matters related to the ownership of mineral interests.
  • Represented various oil and gas companies (and investors) in connection with private and public transactions, including mergers, acquisitions, and strategic joint ventures.
  • Represented various hydrocarbon-based companies and investors regarding tax technical matters related to the ownership (and/or disposal) of mineral interests.
  • Represented various renewable energy companies in business combinations and strategic investments with respect to solar and wind assets.


Michigan State University, BA, Finance

New York University School of Law, LLM

Thomas M. Cooley Law School, JD

Inscription au Barreau


  • Michigan
  • Texas


  • US Tax Court


  • State Bar of Texas Tax Section
  • State Bar of Michigan Taxation Section
  • American Bar Association, Tax Section
  • Houston Bar Association, Section of Taxation (former Chair)