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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 
Peter Guryan
Partner
 
425 Lexington Avenue
New York, NY 10017 
 
Email:
Phone: +1-212-455-2750
Fax: +1-212-455-2502
Peter Guryan, Global Co-Chair of the Firm’s Antitrust and Trade Regulation Practice, is a leading antitrust lawyer with extensive experience in civil and criminal antitrust matters for major corporations and private equity firms. 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.

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Work Highlights
  • First Data Corporation as global antitrust counsel in connection with obtaining antitrust approvals for its $22 billion merger with Fiserv
  • L3 Technologies, Inc. in connection with the antitrust review of its $33.5 billion merger of equals combination with Harris Corporation
  • Refinitiv in its definitive agreement to be acquired by London Stock Exchange Group
  • La Quinta in its sale to Wyndham Worldwide for $1.95 billion in cash
  • Gerdau S.A. in connection with its sale of certain U.S. steel operations to Commercial Metals Company
  • Private equity firms KKR, Blackstone, BCP and their respective portfolio companies, as antitrust counsel, in a variety of transactions, including: Air Medical Group; BMC Software; Envision Healthcare; MagicLab; MB Aerospace; Thomson Reuters’ Financial & Risk Business; and PharMerica
  • Sedgwick in connection with its acquisition of York Risk Services Group
  • ChemChina in securing antitrust clearance for its $43 billion acquisition of Swiss agrochemical company Syngenta AG
  • Secured a dismissal of all claims for Tradeweb Markets in an antitrust class action alleging several financial institutions and trading platforms conspired to limit competition in the $320 trillion market for interest rate swaps
  • NXP Semiconductors N.V. in connection with its $11.8 billion acquisition of Freescale Semiconductor, Ltd.
Accolades
  • Chambers USA: America's Leading Lawyers for Business
  • The Legal 500 United States
Education
  • Cornell Law School, 1996 J.D.
    cum laude
  • Cornell University, 1992 B.A.
Clerkships
  • Hon. Harold A. Ackerman, U.S. District Court for the District of New Jersey (1996-1998)
Admissions
  • U.S. District Court for the Southern District of New York 
  • New York 1998

Peter Guryan, Global Co-Chair of the Firm’s Antitrust and Trade Regulation Practice, is a Partner resident in the Firm’s New York office. Peter has extensive experience in civil and criminal antitrust matters for major corporations and private equity firms.  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. 

Peter’s recent work highlights include:

  • First Data Corporation as global antitrust counsel in connection with obtaining antitrust approvals for its $22 billion merger with Fiserv;

  • L3 Technologies, Inc. in connection with the antitrust review of its $33.5 billion merger of equals combination with Harris Corporation;

  • Refinitiv in its definitive agreement to be acquired by London Stock Exchange Group;

  • La Quinta in its sale to Wyndham Worldwide for $1.95 billion in cash;

  • Blackstone and related portfolio companies, as antitrust counsel, in a variety of transactions, including: MagicLab; MB Aerospace; PSAV; and Thomson Reuters’ Financial & Risk Business;

  • Sedgwick in connection with its acquisition of York Risk Services Group;

  • Gerdau S.A. in connection with its sale of certain U.S. steel operations to Commercial Metals Company;

  • KKR and related portfolio companies, as antitrust counsel, in a variety of transactions, including: BMC Software; Envision Healthcare; and PharMerica;

  • NXP Semiconductors N.V. in connection with its $11.8 billion acquisition of Freescale Semiconductor, Ltd.;

  • ChemChina in securing antitrust clearance for its $43 billion acquisition of Swiss agrochemical company Syngenta AG; and

  • Tradeweb Markets in an antitrust class action alleging several financial institutions and trading platforms conspired to limit competition in the $320 trillion market for interest rate swaps; secured a dismissal of all claims.

Prior to joining Simpson Thacher, Peter was a partner at Fried Frank.  He began his career at the Antitrust Division of the Department of Justice where he played a significant role in the successful challenge of the proposed merger between WorldCom and Sprint. In addition, he was a law clerk to the Honorable Harold A. Ackerman on the United States District Court for the District of New Jersey.

Peter is consistently recognized by Chambers USA: America's Leading Lawyers for Business as a leading individual in Antitrust and by Legal 500 in Antitrust: Merger Control.

Peter is admitted to the bar in New York and to practice before the United States District Court for the Southern District of New York. He received his J.D., cum laude, in 1996 from Cornell Law School and his B.A. in 1992 from Cornell University. 

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