Carlos Sierra

Everardo A. Hegewisch Arrillaga is a top attorney recognized by Best Lawyers in the practice area(s) of Amparo Law, Civil Litigation and Commercial Litigation. Everardo A., who practices law in Mexico City, Mexico, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Everardo A. is held by other top lawyers in the same geographic and legal practice area.

With over 17 years of professional experience, Claudia specializes in environmental, agrarian and indigenous consulting, and real estate law. Her practice revolves around the activities of companies doing business in Mexico in different sectors of the economy, and a key component of ESG guidelines and requirements when doing business in the country.

Renata Buerón is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Privacy and Data Security Law. Renata, who practices law in Mexico City, Mexico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Renata is held by other top lawyers in the same geographic and legal practice area.

Eduardo Barreira-Reynoso M. is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Eduardo, who practices law in Santiago de Querétaro, Mexico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo is held by other top lawyers in the same geographic and legal practice area.

Pablo Laresgoiti Matute is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Pablo, who practices law in Mexico City, Mexico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pablo is held by other top lawyers in the same geographic and legal practice area.

Alfonso Sepúlveda García is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation, Civil Litigation, Commercial Litigation and International Arbitration. Alfonso, who practices law in Mexico City, Mexico, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alfonso is held by other top lawyers in the same geographic and legal practice area.

Fernando is a founding partner of the Firm with 20 years of experience, focusing his practice on M&A, Finance, Venture Capital and Technology, serving a broad portfolio of clients that includes investment funds, entrepreneurs, fintech companies, non-bank financial institutions and public and private companies. He is currently the Vice President of the North American Forum of the International Bar Association (IBA). He is ranked as "Up & Coming" by Chambers & Partners since 2019 an...

Gustavo Alcocer manages the Corporate and Commercial Law Group at OLIVARES, advising domestic and foreign businesses and the owners of those businesses on Mexican and cross-border corporate and commercial transactions. He serves as outside general counsel in Mexico to many of his domestic and foreign clients, and also represents emerging and middle-market companies, including closely-held businesses from Mexico, the United States, Canada and Latin America. Mr. Alcocer’s significant expe...

Alejandro Ostos Fulda is a top attorney recognized by Best Lawyers in the practice area(s) of Amparo Law, Arbitration and Mediation, Civil Litigation and Commercial Litigation. Alejandro Ostos, who practices law in Mexico City, Mexico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alejandro Ostos is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Labor and employment law, social security, and immigration. ASSOCIATIONS AND PUBLICATIONS Barra Mexicana (Mexican Bar Association); board member for various periods; coordinator of the Employment Law and Social Security Committee. Ilustre y Nacional Colegio de Abogados de Mexico (Illustrious and National Association of Lawyers of Mexico). Asociación Nacional de Abogados de Empresa, Colegio de Abogados (National Association of Corporate Counsel). American Bar Association ...