LAWYER PROFILE
Jeffrey S Lewis

Jeffrey S Lewis

Global 2026

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Chambers ranking badge

Ranked in 3 practice areas

About

Provided by Cleary Gottlieb Steen & Hamilton LLP

Practice Areas

Jeff Lewis’ practice focuses on domestic and international business and financing transactions. He has advised private and public sector clients in connection with mergers and acquisitions, joint ventures, and private equity investments. Jeff has substantial experience in the natural resources and energy sectors.

Career

Joined firm, 1987; became Partner, 1995. Columbia University School of Law (JD) 1986; Williams College (BA) 1983.

Professional Memberships

Member of the Bar in New York.

Chambers Review

Provided by Chambers

Chambers Global Guide

Corporate/M&A - Latin America - International Counsel

Band 1
Band 1

Individual Editorial
Distinguished partner Jeffrey Lewis is regularly sought out for his exceptional regional expertise, especially in matters concerning the Chilean and Colombian markets. He acts at the forefront of the corporate and M&A space, regularly advising industry giants on sophisticated M&A transactions and joint venture formation.

Mining & Metals - USA

Band 1
Band 1

Individual Editorial
Jeffrey Lewis routinely handles complex acquisitions and joint ventures for his mining clients. He offers strength in both domestic and international transactions.

Corporate/M&A (International Firms) - Brazil

Band 1
Band 1

Individual Editorial

Jeffrey S Lewis leads some of the most prominent cross-border transactions. The New York-based partner is seasoned in Brazil-related matters and is a known and respected figure in the market.

Corporate/M&A - USA

Foreign Expert
Foreign expert in Latin America-wide

Individual Editorial
Jeffrey Lewis is highly experienced in advising clients on Latin American deals. His expertise covers M&A, among other deals.

Strengths

Provided by Chambers

  • Jeffrey Lewis is one of the best lawyers in the M&A market and a great negotiator.

    Corporate/M&AChambers Global Guide
  • Jeffrey Lewis is able to be a step ahead; his insight is comprehensive. He's capable of handling issues of a very high complexity with great solidity.

    Corporate/M&AChambers Global Guide
  • Jeffrey is a brilliant lawyer. He provides outside-the-box solutions to very complex situations.

    Mining & MetalsChambers Global Guide
  • Jeffrey is exceptional, pragmatic and strategic. He is a true expert.

    Mining & MetalsChambers Global Guide
  • Jeff is super business-orientated and is responsive, treating clients as a priority.

    Mining & MetalsChambers Global Guide
  • He is really quick and smart.

    Mining & MetalsChambers Global Guide

Ranked Individuals at Cleary Gottlieb Steen & Hamilton LLP (176)

Africa-wide

Belgium

Brazil

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