Mr José Tomás Errázuriz > Barros & Errázuriz > Santiago, Chile > Lawyer Profile

Barros & Errázuriz
José Tomás Errázuriz photo

Work Department


Founding partner 

  • Partner, Barros & Errázuriz.


  • Partner, Barros & Errázuriz (1988).
  • Professor, Diploma in Antitrust, Pontificia Universidad Católica de Chile, Santiago (since 2017).


Spanish and English


  • Member of the Chilean Bar Association.
  • Member of the Arbitration and Mediation Center of the Chamber of Commerce of Santiago.
  • Member of the Advisory Council of the Antitrust Center of the Pontificia Universidad Católica de Chile.
  • Director, Coca-Cola Embonor S.A.


  • Law School, Universidad de Chile, Santiago, Chile (Summa Cum Laude), 1983.
  • Diploma in Competition and Economics, Universidad de Los Andes, Santiago, Chile, 2007.
  • Negotiation course (PIL), Harvard University School of Law, Cambridge, England, 1993-1996.
  • Financial Statement Analysis course, Universidad Adolfo Ibáñez, Santiago, Chile, 2014.
  • Visiting Scholar, School of Law, Columbia University, New York, United States, 2000.

Lawyer Rankings

Chile > Energy and natural resources > Electricity and hydrocarbon

(Leading individuals)

José Tomás ErrázurizBarros & Errázuriz

Barros & Errázuriz‘s ‘experienced‘ 14-strong department handles a broad range of energy-related matters, and is particularly noted for its electricity sector expertise. It has particular experience in acting for generation and transmission companies, and is increasingly active in distribution matters; the practice also encompasses negotiating energy contracts, regulatory issues, project finance, energy disputes, and energy M&A, joint ventures and acquisitions. Among the team’s several experienced advisers are founding partner and ‘brilliant, strategic adviserJosé Tomás Errázuriz, who in addition to leading the firm’s dispute resolution practice, acts on energy matters; power generation and transmission project expert Fernando Garrido; and Cristóbal Pellegrini, a partner since March 2022, who has ‘a great deal of energy sector experience‘. Within the senior associate pool, Verónica Vergara advises electric companies on corporate and regulatory matters, and Pedro Pablo Balliviandelivers a first-class service‘.

Chile > Dispute resolution: arbitration

The 21-strong dispute resolution group at Barros & Errázuriz has extensive experience in undertaking arbitration proceedings before different venues, with the practice’s recent track record including the representation of clients in major construction project-related arbitrations, as well as commercial disputes involving shareholder and share purchase agreements. The practice is co-led by founding partner and Chilean arbitration expert José Tomás Errázuriz  ; and disputes specialist Luis Eduardo Toro  . Also integral to the practice, public law leader David Cademartori   acts in arbitration matters involving administrative law, construction and antitrust issues; Javier San Martín   has broad experience in arbitration involving contractual and consumer law, bankruptcy, construction and commercial matters; and recently promoted partner José Luis Corvalán   also acts in domestic and international commercial arbitration. The team also houses several active arbitration associates; namely, senior Andrea Batarce , along with Cristián Pérez , Isidora Fernández  and Milton Gutcovsky  (who joined in late 2020 from Covington & Burling LLP‘s New York office).

Chile > Public law

The six-strong team at full-service firm Barros & Errázuriz handles administrative tariff-setting matters, contentious administrative proceedings, and administrative sanctioning procedures involving the natural gas, telecoms, electricity, water and wastewater, health and education sectors. Other areas of expertise range from administrative contracts, government liability and public procurement, to maritime concessions, government real estate and expert reports. The practice also houses experts in litigation (concerning government agencies), who act before the common tribunals and Courts of Appeals, as well as the Supreme Court and Comptroller General’s Office. The public, administrative law and economic regulation department is led by renowned Chilean arbitration expert José Tomás Errázuriz  , while administrative law expert David Cademartori    is the partner in charge of the public law team. Moreover, the firm has also significantly strengthened its constitutional practice, with the September-2022 hire of Juan José Romero , formerly a member of the Constiutional Tribunal from 2013-22 and the court’s President during the last two years of that period. At associate level, the dispute resolution practice of senior Andrea Batarce  also includes contentious administrative proceedings.

Chile > Dispute resolution: litigation

The sizeable dispute resolution practice at Barros & Errázuriz has extensive commercial litigation experience, including representing clients in cases before the country’s appeal courts and Supreme Court. The ‘highly competent‘ group handles mandates involving civil and commercial law, tax, bankruptcy, real estate and antitrust matters, and also has an enviable record in regulated areas such as energy and telecoms. The department is co-led by Luis Eduardo Toro, whose litigation practice covers telecoms, energy, contractual liability and damages; and name partner José Tomás Errázuriz, who has longstanding litigation expertise. The second line of key practitioners includes Javier San Martín, who focuses on dispute resolution, consumer protection law, and reorganisations and liquidations; administrative litigation specialist David Cademartori; and recently promoted partner José Luis Corvalán, who routinely acts in civil and commercial litigation. At senior associate level, Isidora Fernández is also a litigation specialist. Former senior Cristián Pérez moved in-house at Grupo Pasmar in February 2022.

Chile > Corporate and M&A

Barros & Errázuriz‘s substantial 57-strong practice is consistently sought out for  complex and high-stakes deals, including private acquisitions, cross-border takeovers (including those of listed companies), the acquisition of controlling and minority interests, divestitures and corporate restructuring processes. Clients additionally appreciate the team’s access to the expertise in business-related taxation, antitrust, banking, finance, bankruptcy and competition housed at the firm – as well as the deep knowledge of the energy, real estate and telecoms sectors. Among the firm’s numerous experienced partners, corporate department head Pablo Guerrero is ‘a born leader for complex corporate transactions‘; M&A and foreign investment specialist Bernardo Simian is ‘always present during discussions‘; Fernando Barros advises on investment projects, business strategies, and corporate and financial structures (in addition to heading the tax department); Cristián Barros‘ broad transactional practice includes M&A work; and Emilio Vásquez and Carlos Ducci both advise on corporate law, foreign investment, M&A and joint ventures. Corporate law and M&A expert Sergio Eguiguren; Luis Alberto Letelier, whose workload includes M&A matters; José Tomás Errázuriz, who advises on corporate law, in addition to being dispute resolution head; and Vicente Cordero, a partner since 2020, are additional key practitioners. The corporate-focused Lucas Marinovic became a partner in March 2022, while counsel Daniela Peña is also experienced in corporate issues, M&A and restructuring.

Chile > Competition and antitrust

Barros & Errázuriz‘s competition and antitrust practice is routinely sought out for its experience in both TDLC cases and FNE investigations. Other key areas include concentration notifications and compliance programmes. Clients also benefit from the team’s deeper industry expertise particularly in the in telecoms, media, pharmaceuticals, energy, retail, and food and beverage sectors. Luis Eduardo Toro is a specialist in competition and antitrust matters, in addition to commercial arbitration; and founding partner and dispute resolution expert José Tomás Errázuriz is also on hand for competition and antitrust proceedings. Also key to the group, José Luis Corvalán assists with antitrust investigations before the FNE and TDLC procedures; and Francisco Bórquez is experienced in investigations into cartels, unilateral conduct and concentration operations. Both Corvalán and Bórquez were elevated to the partnership in April 2021.