Thomas Heather


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Education and Clerkships

J.D., Northwestern University School of Law, 2010

Law Degree, Escuela Libre de Derecho, 2006, with honors


Mexico, 2006

District of Columbia, 2010

Court Admissions

District of Columbia Court of Appeals





Thomas Heather is a counsel in the International Practice Group at Haynes and Boone, S.C. with extensive experience representing foreign and Latin American clients in cross-border transactions. His practice focuses on energy and infrastructure projects, including project finance, public tenders and regulatory matters. Tom also has broad experience in corporate and financial law.

Tom has been very active in matters regarding the Mexican Energy Reform, including advising major oil companies during Round One of auctions of blocks in the Gulf of Mexico called by the National Hydrocarbons Commission. He has guided clients through the new legal and regulatory framework for upstream, midstream and downstream activities in the hydrocarbons industry and negotiated joint operating agreements for joint participants. He represented ENI S.p.A. in its successful bid for the award of a production sharing contract for shallow-water blocks in the Gulf of Mexico during Round 1.2. He has been negotiating the first crude oil, natural gas and condensates purchase agreements by E&P companies in Mexico to marketers.

Tom has many years of experience in structuring joint ventures for cross-border investment in a variety of industries including energy, hospitality, food and beverage, real estate, manufacturing, transportation in mining, as well as advising clients with respect to corporate governance, corporate succession matters and shareholder disputes.

Stemming from his experience in oil and gas and other energy-related transactions and in M&A, Tom has developed considerable experience in commercial arbitration and other ADR methods, primarily before the International Chamber of Commerce. He is a member of the advisory board of the Court of Arbitration of the Construction Industry Chamber of Commerce.

Tom has participated as a panelist in energy industry-related conferences and academic forums, has lectured at the Universidad Panamericana in Mexico City as an adjunct professor, and has published articles and other materials on the recent overhaul of the Mexican oil and gas industry. He is a member of the National Association of Corporate Counsels (ANADE).

Professional Recognition

  • Latin Lawyer 250, Law Business Research Ltd., 2016
  • The Legal 500 Latin America, Legalese, Ltd., 2015


Haynes and Boone Represents Chevron in Historic Energy Transaction

Haynes and Boone Represents Chevron in Historic Energy Transaction

Haynes and Boone represented Chevron Corporation in its winning bid to explore a deep water bock in the Gulf of Mexico in association with a consortium consisting of Mexico’s state oil company, Pemex, and Japan’s Inpex Corporation.

Mexico Energy Reform

Oil and Gas

Mexico: Round Two - Third Public Bid

The Mexican government announced the third bid of Round 2 on November 14, which will be the eighth upstream bid round in Mexico since passage of the energy reform in mid-2014.

Selected Publications and Speeches

  • "Recent Developments in the Mexican Energy Reform,” Annual Meeting of the Energy Bar Association, June 7, 2016.
  • "Puma Energy Among First Gasoline Imports,” CNN Expansión, April 28, 2016
  • "Government Releases Another Piece of Pemex Gasoline Monopoly,” CNN Expansión, March 31, 2016
  • "Mexico Energy Ministry Plans Auctions for Extraction, Exploration Rights,” July 2015.
  • "Mexico’s Federal Electricity Commission Announces New Projects for US$10 Billion,” June 2015.
  • "An Overview of the New Legal Framework for Upstream and Midstream Activities and Financing Opportunities for Banks,” seminar on “ The Mexican Energy Reform,” HSBC, 2014.
  • “Overview of the New Hydrocarbons Law,” August 2015.
  • “Overview of the New Petróleos Mexicanos Law,” August 2015.

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