LAWYER PROFILE
Agustín Siboldi

Agustín Siboldi

Latin America 2027

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Ranked in 4 practice areas

About

Provided by O'Farrell

Latin America

Practice Areas

Energy & Natural Resources; Power; Oil & Gas; Mining; Competition & Antitrust; Telecommunications, Media & Technology (TMT); Regulatory & Administrative Law; Infrastructure; Corporate & Commercial Contracts

Career

Agustín Siboldi joined O'Farrell in 1998 after serving as in-house counsel at Telecom Argentina. Since 2002, he has played a leading role in the development of the firm's Energy & Natural Resources, Competition and TMT practices. He currently co-leads the Energy practice and advises domestic and international clients on regulatory, contractual and strategic matters involving power, oil & gas, mining, telecommunications, infrastructure and other highly regulated industries. His career combines legal practice, academic activity and active participation in leading industry associations and professional organisations focused on energy, competition law and economic regulation.

Professional Memberships

- International Bar Association (IBA) – Officer, Power Law Committee

- International Bar Association (IBA) – Energy, Environment, Natural Resources and Infrastructure Law Section (SEERIL)

- International Bar Association (IBA) – Antitrust Committee

- Cámara Argentina de Energías Renovables (CADER) – Board Member; Former Secretary (2019)

- Argentine Chamber of Mining Companies (CAEM) – Legal, Environmental and Regulatory Commission

- Association of International Energy Negotiators (AIPN)

- American Bar Association (ABA) – Energy and Antitrust Committees

- Buenos Aires Bar Association – Competition Law Commission

- Argentine Institute of Oil and Gas (IAPG)

Publications

Author of numerous publications and articles on energy law, economic regulation, competition law and natural resources. Co-author of a draft renewable energy law prepared jointly with the Argentine Institute of Energy “General Mosconi”, and contributor to a book published following the enactment of Argentina’s renewable energy framework in 2015. Regular speaker and commentator on legal and regulatory developments affecting the power, oil & gas, mining and telecommunications sectors.

Industry Sector Expertise

Agustín focuses on highly regulated industries, with particular expertise in power generation, renewable energy, electricity markets, oil & gas, mining, telecommunications and infrastructure. He advises clients on regulatory frameworks, project development, commercial and supply agreements, merger control proceedings, competition law matters and interactions with governmental authorities. His practice combines deep industry knowledge with extensive experience in economic regulation and market access issues.

Languages Spoken

Spanish (Native)

English

Portuguese

Key sectors

Energy and UtilitiesResources and MiningTechnology, Media and Telecoms (TMT)

Chambers Review

Provided by Chambers

Chambers Latin America

Energy & Natural Resources: Power - Argentina

Band 1
Band 1

Individual Editorial

Stellar partner Agustín Siboldi is highly regarded in the market for his adept management of regulatory issues within Argentina's power industry. His expertise extends to pertinent contractual and litigation matters in the sector.

TMT (Telecoms, Media, Technology) - Argentina

Band 2
Band 2

Individual Editorial

Partner Agustín Siboldi is commended for his experience in assisting clients with a diverse range of TMT mandates in Argentina. He is particularly noted for his handling of telecommunications matters.

Competition/Antitrust - Argentina

Band 3
Band 3

Individual Editorial

Partner Agustín Siboldi of O'Farrell boasts significant experience advising clients across the full range of competition mandates in Argentina.

Energy & Natural Resources: Oil & Gas - Argentina

Band 4
Band 4

Individual Editorial

Partner and department head Agustín Siboldi attracts client commendation for his capacity in energy matters. He handles a broad range of transactional and regulatory mandates in Argentina’s oil and gas sector.

Strengths

Provided by Chambers

  • Agustín Siboldi is an excellent energy lawyer.

    Energy & Natural Resources: PowerChambers Latin America
  • Agustín Siboldi has excellent availability and extensive knowledge of the energy sector in Argentina.

    Energy & Natural Resources: PowerChambers Latin America
  • Agustín Siboldi is an excellent lawyer with a high level of expertise in our industry. He is always available, proposes alternatives that demonstrate his grasp of our business and is attentive to our needs.

    TMT (Telecoms, Media, Technology)Chambers Latin America
  • Agustín Siboldi is an outstanding and committed lawyer with a deep understanding of competition law and strong market awareness.

    Competition/AntitrustChambers Latin America
  • Agustín Siboldi is a lawyer with strong technical skills, excellent regulatory knowledge and a business-oriented approach.

    Energy & Natural Resources: Oil & GasChambers Latin America

Ranked Individuals at O'Farrell (14)

Argentina

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