General Counsel

Cross-Border Transactions

International Mediator

Innovative

Strategic

Collaborative

TGA

Specialties

TGA represents clients in cross-border mergers and acquisitions, privatizations, joint ventures, infrastructure development projects, and private equity transactions.

Industries

TGA works with U.S. and foreign companies in a range of industries, including oil and gas, power, mining, real estate, transportation, technology, and telecommunications.

  • “I have known Carlos for over 15 years and have always found him to be incredibly passionate about his clients. His unique ability to manage intricate legal issues against the backdrop of international cultures and customs is not something to be discounted. I have no doubt that he will deliver the highest quality services for his clients because he treats their challenges and initiatives as his own.”

    Rishi Varma

    General Counsel, Hewlitt Packard Enterprise

  • “While I did not have the opportunity to work with Carlos in my current position, I worked extensively with him during my time at Schlumberger. Carlos is simply a class act. He is in his own league. He has been a trusted advisor who always has the best pragmatic, thoughtful and value-based recommendations. Carlos always gives it his all to get things done and resolve problems. His energy level, commitment and work ethics are extraordinary.”

    Daniel Trujillo

    EVP Global Chief Ethics & Compliance Officer, McKinsey & Co
    (formerly CCO Schlumberger and Walmart)

  • “Mr. Treistman has represented us in all M&A transactions since 2008. He has also helped us navigate the intricacies of doing business internationally. Carlos is not only our lawyer but has become a very good friend.”

    Alejandro Brunell

    President & CEO, Oriux (FKA Semex), Monterrey, Mexico

  • “I met Carlos more than 10 years ago. In all our transactions and projects we have worked on together throughout the U.S. and Latin America, I have had first-hand knowledge of his professionalism and the value he provides to his clients not only in the legal arena but also on the business front. Carlos is a problem solver and a great leader.”

    Roger Saldana Madero

    Sr. VP, General Counsel & Secretary of the Board, Cemex

  • “I have known Carlos for over a decade. Throughout that time he has provided extremely helpful insight in addressing strategic domestic and international issues, as well as demonstrating a bright business acumen. Carlos has many facets and can always be trusted to provide sound and exemplary advice. He has earned my full confidence.”​

    Gordon Bethune

    Retired Chairman & CEO, Continental Airlines

  • “Mr. Treistman is a good friend and trusted advisor who has been extremely helpful and professional in representing us in all global M&A transactions. We enjoy his broad angle approach, issue-spotting and communication talents as well as complete dedication and 24/7 support. His high-level representation experience is very impressive. Carlos is our first option to look for any advice, both in the U.S. and abroad.”

    Vladimir Kokorin

    General Counsel, GDV Management, Moscow, Russia

  • “I have known Carlos for well over a decade, and have relied on him as a trusted advisor and confidante since first working with him. It is no exaggeration to say that his perspicacity, determination and project management skills were essential in enabling ConocoPhillips to complete the spin-off of Phillips 66 as quickly as it did. I also relied on his knowledge of the people, customs and politics in all of our transactions and evaluations of transactions in Mexico, South America, Russia and Kazakhstan.”

    ​Janet (Kelly) Carrig

    Retired SR. VP, General Counsel & Corporate Secretary, ConocoPhillips

  • “For the 10+ years that i have known Carlos, I have found him to be judicious, thoughtful, innovative and reliable. These qualities will continue to serve him and his clients well in the future.”

    John Carrig

    Retired President & Chief Operating Officer, ConocoPhillips

  • “Carlos is a top international lawyer with a solid reputation in Mexico and throughout Latin America. He provides independent, objective and creative advice. I consider Carlos a trusted legal advisor and, more importantly, a good friend.”

    Federico Sada

    CEO, Adas Capital, Monterrey, Mexico

  • “Almost 30 years ago, Carlos and I began our legal practice together as very young lawyers, and since then, he has transformed himself into the international ‘go to’ attorney with a global reputation with whom I would trust with any matter worldwide, from a major acquisition to emergency handling of a distressed client overseas.”

    ​Jessica Rossman

    Retired Sr. Managing Counsel & Managing Director-International, United Airlines

  • “Carlos Treistman brings a great deal of experience in Latin American transactions to the table, offering particular expertise in matters related to the Mexican and Brazilian markets. He is well versed in a range of corporate matters, with a focus on M&A related to the real estate sector.”

    Chambers and Partners

    Global • Corporate/M&A

  • “Carlos Treistman has a long history of advising on important corporate mandates in various jurisdictions, most notably Mexico. He has recently been assisting international companies with incorporations, in addition to helping regional groups with expansion into other jurisdictions.”

    Chambers and Partners

    Latin America • Corporate/M&A — Latin America-Wide

Carlos has established and led the Latin America practices for three AmLaw 100 firms and founded and served as head of the corporate and finance practice for one of these law firms. He was also a founder and managing partner of the Houston office of an international law firm, leading its efforts in Texas — one of the nation’s most dynamic business markets. All these firms grew to critical mass and gained prominence during his tenure.

Carlos serves as General Counsel to multiple companies and advises senior management, executives, and boards. He has unique expertise in representing global companies with cross-border transactions and international legal issues.