Alejandro Diaz Steta

Alfonso heads the Civil and Commercial Litigation and Alternative Dispute Resolution practice and has wide experience representing clients in complex litigation cases before federal and local courts throughout Mexico and handling international arbitration cases in the oil & gas, power generation, manufacturing and automotive industries. Alfonso is also part of the Energy Industry Group, as dispute resolution specialist in that sector. He has ample experience in constitutional remedy (ampa...

Senior Partner, Sesma Sesma & McNeese Areas of practice : Corporate Law, Contracts, Logistics and Transportation, Foreign Trade, Real Estate. Languages : English Education: Law Degree Escuela Libre de Derecho, 2000 Thesis : “ Propuesta para modificar la Ley de Caminos, Puentes y Autotransporte Federal para garantizar seguridad jurídica a la inversión extranjera ”. Law and Finance Nebraska Wesleyan University Specialty in North American Corporate Law University of...

PRACTICE AREAS Tax Consulting & Litigation, Estate Planning & Asset Protection ASSOCIATIONS AND PUBLICATIONS The Society of Trust and Estate Practitioners México (STEP); Chairman. American Chamber of Commerce Mexico (AmCham); member of the tax committee. International Fiscal Association (IFA); Young IFA Network (YIN); Former Chairman 2015-2017. Mexican Institute of Financial Executives (IMEF). Author of several national and international articles and publications and has partic...

Jorge Lanz is a graduate of Universidad Anáhuac del Norte, where he obtained his law degree with special emphasis in Civil and Commercial Law. For more than 20 years, he has developed an outstanding legal practice in Civil and Commercial Litigation, as well as in alternative dispute resolution mechanisms. His experience has been particularly focused on complex matters of Civil Liability, Corporate Conflicts, litigation related to trusts and Commercial Arbitration, representing both com...

Fernando Martínez Flores is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law and Outsourcing. Fernando, who practices law in Mexico City, Mexico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Tax Consulting & Litigation PROFESSIONAL EXPERIENCE He specializes in tax matters (controversy and non-contentious), developing his professional career as a tax advisor of legal entities, addressing their inquiries, supporting them during tax audits, and elaborating and implementing legal defense strategies to reduce or prevent tax assessments. ASSOCIATIONS He is an active member of COPARMEX’ National Tax Committee where he acts as representative of that organization ...

Zarina Beltrán Betrón is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Zarina, 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 Zarina is held by other top lawyers in the same geographic and legal practice area.

José Raz Guzmán is Co-Chair of the firm's Latin America Practice and the Managing Shareholder of the Mexico City office, where his practice focuses on financial and M&A transactions. He works with issuers, underwriters and investors in public and private offerings of equity, debt, structured instruments, Fibras, CKDs and securitizations.

Guillermo Sánchez Chao is a top attorney recognized by Best Lawyers in the practice area(s) of Customs and Excise Law, International Trade and Finance Law, Tax Law and Trade Law. Guillermo, 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 Guillermo is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Human Capital, Tax Consulting & Litigation and Inmigration ASSOCIATIONS AND PUBLICATIONS National Association of Corporate Counsel (ANADE); Former Chair of the Tax Committee. International Fiscal Association (IFA). Mexican Bar Association (Barra Mexicana, Colegio de Abogados). Association of Mexican Public Accountants (Colegio de Contadores Públicos de Mexico); International Tax Committee. Mexican-Brazilian Chamber of Commerce (CAMEBRA); Board Member. Mexican-French ...