José Ángel Santiago Ábrego

He obtained his law degree at the Instituto Tecnológico Autónomo de México (ITAM), where he graduated with special honors.

A partner at SAI Derecho & Economía since February 2018, he represents companies and individuals in constitutional litigation (amparo) regarding administrative, regulatory (telecommunications, broadcasting, hydrocarbons, electricity, finance, ports, among others) and competition affairs. He has great experience and expertise in litigation before the specialized courts of the Federal Judicial Branch. He also represents clients before the Federal Economic Competition Commission (COFECE) and the Federal Telecommunications Institute (IFT), in investigations regarding anticompetitive practices and illicit concentrations.

He has been guest professor at higher education institutions, such as the National Institute of Criminal Science and the Universidad Panamericana, where he has taught workshops on legal argumentation for civil servants and modules on economic competition, both in specialized seminars and the economic law master’s program. Currently, he is tenured professor of the Constitutional Procedures lecture at the ITAM. He is co-author of two books regarding antitrust and telecommunications law.

At this moment, he is the First Vice-president of the National Association of Corporate Lawyers (ANADE) and the President Elect for the 2025-2026 biennium. Among others, his duties at the bar association include the general internal coordination of the bar activities nationwide (including defense of the rule of law), the organization of academic events to debate current issues of all nature, as well as lecturing in multiple forums and formulating opinions regarding resolutions, judgments and regulation projects. Likewise, he currently is a board member of the General Council of the Mexican Legal Profession (CGAM), entity created by the three major Mexican bars to represent the best interests of the legal profession in Mexico.