LAWYER PROFILE
Peter Guryan

Peter Guryan

USA 2026

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Ranked in 1 practice area

About

Provided by Simpson Thacher & Bartlett LLP

Practice Areas

Global Co-Chair of the Firm’s Antitrust and Trade Regulation Practice, Peter is a leading antitrust lawyer with extensive experience in civil antitrust matters for major corporations and private equity firms in addition to criminal antitrust work. He has represented clients in obtaining antitrust approvals in numerous high-profile and challenging transactions, often global in scope, and in other government antitrust investigations before the Department of Justice, the Federal Trade Commission and competition authorities outside of the United States. Prior to joining private practice, Peter was a trial attorney in the Antitrust Division of the Department of Justice.

Career

Partner, Simpson Thacher. Trial attorney, Antitrust Division, Department of Justice, Telecommunications Task Force (1998-2001).

Personal

J.D., Cornell Law School (1996), cum laude, editor, Cornell Law Review; B.A., Cornell University (1992).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Antitrust - New York

Band 2
Band 2

Individual Editorial
Peter Guryan is adept at a wide range of antitrust matters, both domestic and international in nature. He is particularly noted for his merger clearance work.

Strengths

Provided by Chambers

  • Peter is wicked smart and really knows his area. He has a balanced way of trying to see our objectives and how to achieve those.

    AntitrustChambers Guide to the USA
  • I would retain Peter on any file - everything from run of the mill to the most complex. Peter is business-friendly, extremely intelligent and practical.

    AntitrustChambers Guide to the USA

Ranked Individuals at Simpson Thacher & Bartlett LLP (156)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

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District of Columbia

Illinois

Massachusetts

New York

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