Erin Castro

Asociada desde 2025

Erin has extensive experience in strategic areas including customs compliance, export and import regulations, maquiladora operations, and advising companies with IMMEX and PROSEC programs. She specializes in proceedings against unfair trade practices, safeguard measures, and international arbitration, with a comprehensive focus on complex cross-border transactions for governments and multinational corporations.

She has represented Mexico in Investor-State arbitration proceedings before ICSID and the World Bank, participating in major international trade negotiations such as the Free Trade Agreement between the Pacific Alliance and Singapore, USMCA, and UNCITRAL Working Group III. During Mexico's Pro Tempore Presidency of the Pacific Alliance, she coordinated specialized technical working groups.

As a recognized thought leader, she has presented at numerous international trade and arbitration conferences. She is a member of prestigious professional associations including the American Bar Association, Inter-American Bar Association, and American Society of International Law.

She holds an LL.M. in International Business and Trade Law from American University Washington College of Law and a J.D. from Universidad Nacional Autónoma de México (UNAM), with international studies at Sciences Po, Paris.

She was admitted to practice law in Mexico in 2020, has anticipated admission to the New York Bar (2026), and contributes to public service through her volunteer work with FIFA.

+52 (55) 8019 8608
emcastro@macf.com.mx
Languages
  • Spanish
  • English
  • French
  • Italian

Contact

The experience and educational background of our professionals form the foundation of our practice.

Our continuous dedication and preparation ensure that each client receives high-quality legal representation, backed by a solid foundation of knowledge and experience.
Education

LL.M. in International Business and Trade Law, American University Washington College of Law (2025). ICLS Global Talent Development Scholarship.

Bachelor of Laws (J.D), National Autonomous University of Mexico (2019). -  Honorable Mention Award.

Experience

Legal Counsel, Office of International Trade Legal Advisory, Ministry of Economy, Mexico City, Mexico, 2021–2024.

Associate, International Trade Practice. Chevez Ruiz Zamarripa, S.C, 2020-2021.

Research Assistant, National Autonomous University of Mexico, 2019–2020.

Lawyer, Office for the United Nations Organization. Ministry of Foreign Affairs, Mexico. 2018-2019.

Law Clerk, RRH Consultores, S.C. 2016.

Contact
Cliente satisfecho estrechando la mano con un abogado: Cliente feliz con servicio legal en Mijares, Angoitia, Cortés y Fuentes S.C.

Awards

The awards we have received support our dedication to excellence in every practice area.

News

Legal news and updates

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June 22, 2026
On June 18, 2026, the Ministry of Energy (“SENER”) published in the Official Gazette of the Federation (“DOF”) the Agreement issuing the Guidelines for the voluntary and expedited migration of self-supply and cogeneration of electricity to the figures established under the Electric Sector Law (the “Guidelines”). Likewise, on June 18, 2026, the CNE published in the DOF the Methodology for Determining the Charge for the Electricity Transmission Service (the “Transmission Methodology”), which will become effective on October 19, 2026. The Transmission Methodology repeals the previous methodology that established the so-called “postage stamp wheeling rate” (porteo estampilla) and introduces a new transmission service charge.
June 11, 2026
On May 28, 2026, two precedents issued by the Plenary of the Superior Chamber of the Federal Court of Administrative Justice (Tribunal Federal de Justicia Administrativa or “TFJA”) were published in the Court’s official journal. These precedents address the tax treatment of capital contributions and dividend distributions.
June 3, 2026
Mexico and the United States concluded the first formal round of negotiations under the Joint Review of the United States-Mexico-Canada Agreement (USMCA), held on May 28–29, 2026, in Mexico City.