Partner, Co-chair of the Litigation & Trial Practice Group, Alston & Bird LLP
Adam Biegel is co-chair of Alston & Bird’s Litigation & Trial Practice Group and former co-chair of its Antitrust Team. He has substantial experience representing clients on antitrust counseling and litigation matters, including those involving government and internal investigations, mergers and joint ventures, pricing and distribution, compliance counseling and training, pre-merger reviews under the Hart-Scott-Rodino (HSR) Act, and multidistrict litigation. He regularly represents clients before the U.S. Department of Justice (DOJ) Antitrust Division, Federal Trade Commission (FTC) and state attorneys general, and in federal courts.
Adam is recognized for his antitrust experience by Chambers USA and selected to The Best Lawyers in America®, including his recognition as “Lawyer of the Year” for Antitrust Litigation in Washington, D.C., in 2022. He is a longtime member of the American Bar Association Antitrust Law Section’s leadership, currently serving as co-chair of its In-House Counsel Task Force and previously having served on its board, and chaired its Corporate Counseling Committee, Long Range Planning Committee, and Spring Meeting conference. He also serves on the board of the Federalist Society’s antitrust practice group.
Adam served as a law clerk to the Hon. Frank M. Hull, U.S. Court of Appeals for the Eleventh Circuit. Before attending law school, he worked as a newspaper reporter in Arkansas and on the legislative staff of U.S. Senator Orrin Hatch.
Former NAAG Antitrust Task Force Chair and Former Assistant Attorney General at Wisconsin Department of Justice
As former Chair of the NAAG Multistate Antitrust Task Force and as Wisconsin's Assistant Attorney General for Antitrust from 2005-2024, Gwendolyn has extensive experience litigating antitrust cases on behalf of the State of Wisconsin- including merger enforcement, cartel prosecutions. She was the lead attorney in State of Wisconsin v. Indivior, where she led 42 Attorneys General in their successful case against the manufacturer of Suboxone, resulting in a $102.5 million settlement. Gwendolyn was also on the trial team for the States' challenge to the T-Mobile/Sprint merger.
Gwendolyn was co-chair of the Pharmaceutical Industry Working Group in the National Association of Attorneys General Antitrust Task Force, and was a delegate to the “Future of Pharma Mergers” international initiative spearheaded by the FTC, and lead the Reimagining Pharma Attorney Generals Advisory Group.
Active in the American Bar Association, she is a member of the Antitrust Section Council. Gwendolyn was also the 2023 recipient of the NAAG (nationwide) Attorney General Career Staff Award, and was named as a “Woman Making History” by Wisconsin Lawyer magazine in 2024.
Antitrust Partner, White & Case
Rahul Rao is a partner in the Global Antitrust Practice at White & Case and the former Deputy Director of the Federal Trade Commission’s Bureau of Competition. He advises clients on merger clearance, government investigations, antitrust litigation, and regulatory strategy, with particular depth in healthcare, life sciences, private equity, retail, and labor markets.
At the FTC, Rahul led major merger and conduct investigations, supervised enforcement in critical sectors, and helped shape landmark policy initiatives, including the revised Merger Guidelines and the Commission’s noncompete rulemaking. Earlier, he helped establish the Washington State Attorney General’s Antitrust Division as a national leader in labor market competition enforcement.
Having served on both the federal and state enforcement front lines, Rahul brings clients a unique understanding of agency priorities, risk profiles, and strategies for navigating today’s increasingly dynamic antitrust environment.
Partner, Gibson, Dunn & Crutcher LLP
Eric J. Stock is a partner in the New York office of Gibson Dunn. Eric’s practice focuses on antitrust litigation and investigations, especially for clients in the pharmaceutical, financial services, high tech, and health care industries. He is a member of Gibson Dunn’s Antitrust and Competition and Litigation Practice Groups.
Eric is a leading antitrust litigator and one of the few attorneys to earn a Band 1 ranking in Antitrust for New York from Chambers USA. Clients describe him as “a phenomenal powerhouse,” who is “a fantastic litigator,” with “complete command of the law” (Chambers USA). Who’s Who Legal referred to him as “an outstanding competition lawyer” who is “highly esteemed by peers,” particularly in pharmaceutical matters. In 2022, 2024, and 2025, Eric was shortlisted for Life Sciences Antitrust Practitioner of the Year by LMG Life Sciences. Eric has also been recognized as a leading antitrust lawyer by other publications, such as Global Competition Review, The Best Lawyers in America®, Law360, Lawdragon, and Benchmark Litigation.
Eric’s practice involves all aspects of antitrust enforcement, including civil litigation, government investigations, and merger clearance. He frequently is responsible for coordinating a client’s response to antitrust investigations and civil litigation in multiple jurisdictions and proceedings. He has extensive experience litigating class actions and other civil antitrust cases in federal court, including defending clients accused of unlawful monopolization, collusion, and anticompetitive transactions. Eric has particular experience counseling and litigating matters where a client faces antitrust scrutiny as a result of its defense of its intellectual property rights. His litigation experience includes serving as the lead trial lawyer in a pharmaceutical monopolization case in the Southern District of New York, where his trial victory was upheld on appeal by the Second Circuit Court of Appeals.
Eric served for three years as Chief of the Antitrust Bureau at the New York Attorney General’s Office (“NYAG”). In that role, he was responsible for overseeing the enforcement of New York State’s antitrust laws and representing the interests of New York and its consumers in national antitrust matters. During Eric’s tenure at NYAG, he served as lead counsel and lead trial attorney for New York in several noteworthy antitrust litigation matters and supervised dozens of antitrust investigations led by the state. He also had extensive experience partnering with the U.S. Department of Justice and Federal Trade Commission in joint federal and state investigations of proposed mergers or other business conduct. For example, he served as lead counsel for New York in the successful lawsuit brought by New York and the U.S. Department of Justice challenging an allegedly anticompetitive merger of Manhattan tour bus operators.
During his time at NYAG, Eric regularly worked with other state AG offices throughout the country on antitrust or related complex business litigation issues. In addition, in early 2016, he served as NYAG’s Acting Executive Deputy Attorney General for Economic Justice, a position which supervises much of the office’s business-related affirmative litigation, including cases filed under the Martin Act and state deceptive practices laws.
Eric has recently achieved several important victories for his clients. In a class action brought by purchasers of Eurodollar futures against financial institutions accused of manipulating the LIBOR benchmark, Eric defeated class certification after deposing plaintiffs’ lead economist, leading the briefing, and handling oral argument in both the District Court and Second Circuit. In an action brought against a major branded pharmaceutical company by a competitor alleging that the defendant unlawfully monopolized the market for dry eye medications through the use of bundled discounts, Eric won dismissal on the pleadings. Eric also won a motion to dismiss on behalf of a group of five major New York hospital systems that were accused by a competitor of colluding in violation of the antitrust laws.
A More Perfect Union? States Double Down on Antitrust