Guillermo Pérez Santiago

Carlos Reyes is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Carlos practices law in Mexico City, Mexico Best Lawyers has recognized Carlos Reyes since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carlos Reyes is held by other lawyers.

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...

María Leticia Montero joined Villar Abogados in 2010, as specialist area of Labor Law, defending and representing national and international companies in individual labor procedures, in union negotiations such as the revision of Internal Labor Regulations, Collective Bargaining Agreements, wage tabulations, codes of conduct and ethics and in general, documents for safeguarding client’s interests. She was born in Argentina and it was there where she attended university and began h...

Carlos E. Martínez Betanzos is counsel in the Mexico City office and member of the firm’s Arbitration and Dispute Resolution practice. Carlos focuses his practice on major international arbitrations (commercial and investor-state), cross-border litigation proceedings, as well as international law matters. He also advises clients in connection with anticorruption regulations, compliance programs and investigations in Mexico Latin America. He handles matters for entities in industr...

PRACTICE AREAS Tax, social security, constitutional and administrative law. Member of the Strategic Committee of the Firm. Recognized as co-head of one of the most prominent tax practices in Mexico. ASSOCIATIONS AND PUBLICATIONS National Association of Corporate Counsel Association (ANADE); Former Chair and Former Coordinator of the Tax Committee. Lex Mundi; Former Worldwide Chair of its Tax Committee. International Fiscal Association (IFA). International Bar Association (IBA); Tax Committee....

Samuel Bissu Bazbaz is a lawyer recognized by Best Lawyers in the practice area of Family Law. Samuel practices law in Mexico City, Mexico Best Lawyers has recognized Samuel Bissu Bazbaz since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Samuel Bissu Bazbaz is held by other lawyers.

Fernando Orrantia Dworak focuses his practice in the real estate, commercial and corporate law aspects of clients participating in diverse industries, including port services, petrochemical, and hospitality services, advising clients in complex international joint venture operations, mergers, acquisition and divestitures of operations and assets, as well as domestic and cross border financing related to his client’s activities. Mr. Orrantia also advises clients in the environmental aspe...

Stefano Amato focuses his practice on real estate, corporate, finance and M&A transactions, with more than 20 years of experience. He has been involved and has acted as leading counsel in many strategic transactions in Mexico, some of them for several hundred million dollars, among which, the sales of insurance companies, pension funds and hotel chains. He has acted as main counsel of large shopping centers, industrial establishments, high tech enterprises, foreign banks, entertainment co...

Luis Miguel Lavín Santacruz Criminal Defense Attorney | White-Collar Crime | Financial Crime | Cybercrime Luis Miguel Lavín Santacruz is a Mexican criminal defense attorney with 20 years of professional experience , specializing in white-collar crime, financial crime, cybercrime, corporate criminal liability, and complex criminal litigation. He is a partner at Lavín & Álvarez Abogados, S.C. , a Mexico City-based law firm, where he leads sophisticated criminal d...

Alejandro Ostos Fulda is a lawyer recognized by Best Lawyers in the practice areas of Amparo Law, Arbitration and Mediation, Civil Litigation and Commercial Litigation. Alejandro Ostos practices law in Mexico City, Mexico Best Lawyers has recognized Alejandro Ostos Fulda since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alejandro Ostos Fulda is he...