Guerrero Valenzuela, Pablo

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Pablo, partner at Barros & Errázuriz, has about 25 years of experience where he has focused his practice on capital markets, securities, financing, investment and international commercial transactions in general. He has been recognized as one of the best M&A attorneys in the country, highlighting his extensive experience in leading the most relevant M&A transactions in Chile, advising administrative procedures and public litigation in the areas of health, sanitary services, education, development of real estate project development, and infrastructure.

Practice Areas


  • Law School, Pontificia Universidad Católica de Chile, Santiago, Chile. Degree awarded with maximum distinction (1992)
  • Master of Comparative Jurisprudence (M.C.J), New York University School of Law, New York, United States (1995)

Professional Experience

  • Partner, Barros & Errázuriz (1990)
  • Foreign Associate, Wilmer, Cutler and Pickering, Washington, D.C., United States (1995-1996)
  • Summer Associate, LeBoeuf, Lamb, Greene and MacRae LLP, New York, United States (1995)

Academic Activities

  • Professor, Economic Law, Universidad Finis Terrae, Santiago (1996 – 1999)
  • Assistant Professor, Civil Law, Pontificia Universidad Católica de Chile, Santiago (1993 – 1995)


  • Spanish
  • English


  • President and Founder, Fundación Pro Bono (Pro Bono Foundation)
  • Member of the Chilean Bar Association
  • Member of the National Arbitration Center

Final Acknowledgments

  • Band 1, Chambers Latin America 2020, Chile, Corporate/M&A
  • Leading Lawyer, Legal 500, 2019, Corporate/M&A
  • Highly Regarded, IFRL 1000 2020, Chile, Capital Markets
  • Highly Regarded, IFRL 1000 2020, Chile, Investment Funds
  • Highly Regarded, IFRL 1000 2020, Chile, Banking & Finance
  • Highly Regarded, IFRL 1000 2020, Chile, Corporate/M&A