John Carroll

• Representing Quantum Capital Group in its $4.7 billion sale of Cogentrix Energy, a U.S. independent power producer, to Vistra Corporation.
• Representing 3M on antitrust aspects of its acquisition of Madison Fire & Rescue, in partnership with Bain Capital.
• Representing NCR Atleos on antitrust aspects of its $6.6 billion acquisition by The Brinks Company.
• Served as lead antitrust counsel to digital payments and unattended retail company Cantaloupe, Inc. in its $848 million all-cash acquisition by 365 Retail Markets.

HEALTHCARE AND LIFE SCIENCES

• Currently serving as lead antitrust counsel for health systems in antitrust investigations of strategic transactions.
• Led antitrust efforts for VillageMD in achieving antitrust clearance for its $8.9 billion acquisition of Summit Health.
• Successfully represented clinically and financially integrated provider networks in nonpublic government investigations.
• Advising private equity firms, health systems, and physician groups on a variety of antitrust issues, including potential transactions.
• Advising pharmaceutical and medical device companies on all aspects of competitor collaborations, including mergers, acquisitions, and joint ventures.

Consumer Products & Entertainment

• Represents clients in the food & beverage, luxury, technology, retail, and fashion industries on antitrust issues.
• Advises entertainment and media companies on antitrust aspects of transactions and commercial activities, such as pricing and distribution.
• Represented Energizer Holdings, Inc. on antitrust aspects of it $2 billion acquisition of Spectrum Brands.

ENERGY

• Advising a number of energy companies on a range of antitrust issues related to infrastructure projects, teaming arrangements, and other collaborations.
• Successfully represented leading gasoline retailer on achieving FTC clearance for its strategic transaction without enforcement action.
• Devised and implemented antitrust compliance strategies for coalitions of energy industry competitors.

MANUFACTURING

• Represented leading chemical and building products companies in transactions and defended them in government investigations.
• Represented WestRock Company on antitrust aspects of its $4.9 billion acquisition of KapStone Paper Packaging.

GLOBAL CARTEL INVESTIGATIONS

• Defended multinational companies in criminal investigations alleging antitrust conspiracies.
• Represented an executive of international auto parts company in connection with a cartel investigation in that industry.

John Carroll is a partner in King & Spalding’s Antitrust & Competition Practice Group in the Washington, D.C. office. For over two decades, John’s practice has focused on civil and criminal antitrust matters, including mergers & acquisitions, strategic counseling and compliance, and global cartel investigations. He represents clients before the Federal Trade Commission, Department of Justice, Antitrust Division, and international and state antitrust enforcement authorities.

Prior to private practice, John was in the Mergers I Division of the Federal Trade Commission’s Bureau of Competition for several years. While with the FTC, he investigated, challenged, and negotiated settlements in a number of potentially anti-competitive business combinations in the aerospace, technology, consumer products, defense, healthcare, and pharmaceutical industries. He received an Award for Meritorious Service for work on merger litigation.

John has been recognized by leading publications such as Legal 500 and Best Lawyers and has held leadership positions in the American Bar Association and American Health Lawyer Association. He frequently speaks and writes on antitrust issues across industries.