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. Peter is consistently recognized as a leading antitrust lawyer by Chambers USA and The Legal 500, where sources describe him as “a careful and considered lawyer” who is “extremely bright and business friendly” and “gives very nuanced advice on how law and business interact.” Peter was recently shortlisted for “Dealmaker of the Year” by Global Competition Review in its GCR 2024 Awards.
Updated Oct 2025
Stonepeak and Textainer in the $1.75 billion acquisition of Seaco by Textainer.
RPM International and The Euclid Chemical Company in antitrust action regarding concrete admixtures and cement additives.
Blackstone and The Cosmopolitan of Las Vegas in the $5.65 billion acquisition of The Cosmopolitan by MGM Resorts International.
Blackstone and Refinitiv as global antitrust counsel in the $27 billion acquisition of Refinitiv by London Stock Exchange Group.
- L3Harris Technologies in its $4.7 billion acquisition of Aerojet Rocketdyne Holdings.
- Commercial and transactions
- Competition/antitrust
- Accounting
- Agriculture
- Aviation
- Automotive
- Banking
- Consumer goods and services
- Energy
- Financial services
- Food and beverage
- Healthcare
- Industrials
- Investment management
- Media
- Oil and gas
- Pharmaceutical and life sciences
- Real estate
- Shipping
- Technology and telecommunications
- Tourism
- Transport
- Infrastructure
- J.D., cum laude, Cornell Law Review - Cornell Law School - 1996
- B.A. - Cornell University - 1992
- New York - 1998
- U.S. District Court for the Southern District of New York - 2003