Leslie Diaz

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.

Mónica Patricia Pérez Santana is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Mónica Patricia, 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 Mónica Patricia is held by other top lawyers in the same geographic and legal practice area.

Alejandro has more than 26 years of professional experience advising national and international clients on foreign trade and customs, health and life sciences, consumer protection, anti-corruption and immigration law. With a focus on the manufacturing, pharmaceutical, medical device, food and retail industries, his advice focuses on import and supply chain strategies, mergers and acquisitions, customs consultations, import and export strategies of products, among others.

Pablo Ortiz Monasterio O’Dogherty is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Pablo, who practices law in Mexico City, Mexico, has been recognized since 2023. 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.

Karina Robledo Y G. is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Karina, who practices law in Mexico City, Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karina is held by other top lawyers in the same geographic and legal practice area.

Diego Ostos is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law and Project Finance and Development Practice. Diego, who practices law in Mexico City, Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diego is held by other top lawyers in the same geographic and legal practice area.

Sergio Olivares, Sr. joined OLIVARES in 1987 and today leads the firm with strength and a commitment to transparency, client satisfaction, and personal service. He has been a partner since 1994 and Chairman of the Management Committee since 2009. Mr. Olivares’ breadth of experience is extensive; he is skilled in the prosecution and litigation of intellectual property rights, including trademarks, copyrights, patents, and unfair competition. He is proficient across all areas of intellect...

PRACTICE AREAS Joint ventures, mergers and acquisitions, reorganizations, foreign investment; national and international government contract bidding process; energy, infrastructure and mining projects. ASSOCIATIONS Barra Mexicana Association. Institute of Energy Law. Rocky Mountain Mineral Law Foundation. Association of International Petroleum Negotiators. International Bar Association. PROFESSIONAL EXPERIENCE Firm member since 1996; worked as an international consultant in the private sector...

Abel is the Managing Partner for our Querétaro Office. He specializes in international tax planning, both for companies and individuals. Consulting for individuals includes advice for high net worth and ultra-high networth families regarding issues such as pre-migration tax planning to other countries, design of international patrimonial structures that incorporate corporate-family governance protocols and orderly inheritance transmission, as well as as planning regarding inheritance t...

Humberto Molina is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Humberto, 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 Humberto is held by other top lawyers in the same geographic and legal practice area.