Press Release

Patricia Mastropierro Named Among Latin America's Top 100 Lawyers by Latinvex

November 9, 2026

Haynes Boone Mexico City Office Managing Partner Patricia Mastropierro has been named to Latinvex's Top 100 Female Lawyers in Latin America 2026 ranking, earning recognitions in the Corporate/M&A and Aviation categories.

Mastropierro brings more than 30 years of experience advising a major United States airline and its regional affiliates on matters spanning more than 45 jurisdictions worldwide. Her work encompasses international commercial transactions, aviation and regulatory matters, and complex litigation, giving her extensive experience navigating the legal and business considerations involved in cross-border operations.

"Patricia's continued recognition reflects the depth of her experience and the strength of her work across corporate and aviation matters," said Haynes Boone Partner Alberto de la Peña. "She brings a valuable combination of international perspective and practical insight to complex matters, making her a trusted adviser to clients doing business across Latin America and around the world."

In addition to her client work, Mastropierro leads Haynes Boone's Mexico City office, helping advance the firm's work and relationships throughout the region.

Mastropierro's inclusion on the Latinvex list adds to a growing roster of industry recognitions. She was recognized in the 2027 Latin Lawyer 250 guide and ranked by Chambers Latin America for her Corporate/M&A practice in Mexico.

The annual ranking recognizes leading attorneys at international law firms who are actively involved in Latin America's legal and business markets. This year's list features 100 lawyers from more than 50 firms across 15 practice areas.

According to Latinvex, its selections consider attorneys' track records on significant matters, their firms' prominence in Latin America and third-party recognition from legal ranking organizations, including Chambers and Partners and The Legal 500.

Haynes Boone is one of the most active U.S. law firms operating in Mexico with a growing roster of international and Mexican clients. The firm has one of the largest Latin America and Caribbean practices among Am Law 100 firms, with lawyers who are native speakers or fluent in English, Spanish and Portuguese and who regularly advise on matters involving civil law and international law concepts. Haynes Boone's lawyers have advised on some of the region's most significant projects across transportation, real estate, infrastructure and energy.

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