Jaime O’Reilly-Pérez

Ernesto has more than 12 years of professional experience focused on labor and employment law. He provides legal advice on labor and social security matters and even legal representation in litigation cases to important companies from different industries such as pharmaceuticals, IT, big data, fund investments, oil & gas, music, services and commerce. The activities he carries out include multiple services related to the analysis and execution of hiring structures (including outsourcing),...

Legal Education . Master in Corporate Law. (LLM) October 2000 - March 2002. Anáhuac University. Professional degree. (JD) August 1995 - June 2000. Anáhuac University. Special Programs ( among others). Strategic Leadership. Harvard University - Kennedy School 2025. Comparative Tax Policy and Administration. Harvard University - Kennedy School. 2024. Fiscal Regime for Foreigners in Mexico. Institute of Public Accountants. 2010. International Economic Regulation and Environmental R...

Ismael focuses on regulatory matters and administrative litigations. Ismael has a unique vision capable of seeing both sides of the coin a talent that comes from more than 25 years of experience working in the public sector and more than a decade at White & Case. This quality is praised by the clients, who highlight his "understanding of the spirit of the law and the ability to put it into practice in a pragmatic manner." Chambers Latin America, 2018Clients who benefit from Ismael's exper...

Alberto has been practicing for more than 35 years with a remarkable reputation in securities, banking and finance, capital markets, foreign investment, mergers and acquisitions and project finance, as well as family counselling and succession planning. His ability to perform in such diverse practice areas has allowed him to serve as a corporate governance consultant for both public and privately held companies, some of which he chairs.

She joined Sánchez Devanny in 2016 as part of Labor, Social Security and Immigration. Before joining Sanchez Devanny, she worked as an attorney in the legal department of a major national law firm, providing services for the labor practice group for six years. She also has extensive experience in advising clients on national and international labor and social security issues. She has assisted clients in complex litigation work in both individual and collective aspects, as well as negot...

Carlos Reyes is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Carlos, 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 Carlos is held by other top lawyers in the same geographic and legal practice area.

Mario Mejía Kargl joined Mejía Guízar y Kargl in 2009 (where he is currently a partner), having previously worked at Basham, Ringe y Correa and Hamdan, Manzanero y Asociados. His experience of more than 24 years has always been in administrative law with high specialization in public sector procurement and health law. His professional practice includes intervention in the main public procurement procedures in the country in various sectors (health -medicines and devices-,...

Gilberto Martínez is one of the co-founders and Managing Partner of IBERBRAND®. He heads the Firm´s Trademark and Copyright Department, bringing over twenty years of experience to his practice which encompasses all aspects of trademark and copyright law, particularly covering: searching advice, prosecution matters, licensing and assignments of trademark and copyright, and intellectual property due diligence for mergers and acquisitions. He is the primary point of contact for ...

With more than 30 years of experience Luis is the head of the M&A and Corporate practice group and co-founder partner of the firm. His practice focuses on Private Equity, Venture Capital and Public, Foreign Investment, Mergers & Acquisitions, and Corporate matters, with emphasis on Real Estate transactions, being a pioneer in Private Equity and Venture Capital, representing capital funds in transactional matters. He is currently a Board Member of the LPD Council of the International B...

Graduated in 1993, EDUCATION: Law Faculty, Autonomous University of Baja California; postgraduate studies on Tax and constitutional Law Attorney at law with 28 years of experience on tax matters on the private and public sector. On the private sector, have been a tax consultant and litigator of domestic and international tax matters. Reginaldo participates actively on the academic sector in the International Fiscal Association (IFA), Mexican Bar Association (BMA). He also has participated as ...