enes +5411 4346-1000

“Agustín Siboldi is an excellent professional who accompanies the client and provides a clear and quality advice.”

Chambers & Partners 2023

Agustín Siboldi


Tel +5411 4346-1000



  • Spanish
  • English
  • Portuguese

Professional Experience

Agustín Siboldi, Partner of the Public Law and Economic Regulation Area, specializes in Antitrust, Energy and Natural Resources, and Telecommunications.

His practice focuses on the following areas in relation to economic regulation: antitrust, including economic concentrations and investigations in anticompetitive practices; telecommunications; exploration, concession, exploitation and transport of hydrocarbons; generation, transmission, distribution and commercialization of electricity; transport, distribution and commercialization of gas; commercialization of medicines; among other heavily regulated industries.


He is a lawyer graduated from Universidad de Buenos Aires and holds a Master’s Degree in Corporate Law from Escuela Superior de Economía y Administración de Empresas (ESEADE). In addition, he took a post-graduate course in Telecommunications Law at Universidad de Buenos Aires Law School.


He has been recognized by the main international publications in the following practice areas:

  • Chambers & Partners Latin America 2023: Competition/Antitrust, Power and TMT
  • The Legal 500 2023: Electricity (Hall of Fame), Competition/Antitrust, Oil & Gas, TMT, Environment and Compliance
  • Latin Lawyer 250 2023: Competition/Antitrust, Energy, Administrative Law, Telecoms & Media
  • Leaders League, 2023: Competition and Antitrust (Highly Recommended)

Professional Entities and Associations

  • Member of the Argentine Association of Telecommunications Law (Asociación Argentina del Derecho de las Telecomunicaciones)
  • Member of the Competition Forum.
  • Member of the City of Buenos Aires Bar Association and of its Antitrust Commission
  • Member of the International Bar Association (IBA).
  • Member of the American Bar Association (ABA
  • Member of the Executive Committee of the Argentine Chamber of Renewable Energies (Cámara Argentina de Energías Renovables).
  • Honorary adviser to the Antitrust Commission of the Argentine Corporations Chamber

Academic Work

Mr. Siboldi is a regular professor of the Economic Regulation course at Escuela Superior de Economía y Administración de Empresas (ESEADE), which includes regulation of telecommunications, energy and antitrust matters. At the Argentine Association of Telecommunications Law, he teaches the course in Comparative Law: Telecommunications and Economic Regulation.

In addition, he is a former professor of the Theory of Civil and Commercial Agreements course at the teaching course of studies of Universidad de Buenos Aires Law School.

Books and Articles

Co-author of the book entitled “Energías renovables no convencionales. Argentina frente al desafío de un futuro sostenible” published by Instituto Argentino de la Energía “General Mosconi”.