Partner, Arnold & Porter
Debbie Feinstein heads the firm's Global Antitrust group, and brings a wealth of experience to her practice in advising clients on a range of antitrust challenges before US antitrust authorities. She recently re-joined the firm from the US Federal Trade Commission (FTC), where she was Director of the Bureau of Competition. In that capacity, she was responsible for supervising the investigation and enforcement of the US antitrust laws against anticompetitive mergers and conduct. During her tenure from 2013 to 2017, the FTC had substantial litigation success and a number of major merger wins, including challenges to Sysco Corp.'s acquisition of rival US Foods Inc., and Staples Inc.'s merger with Office Depot Inc. She had previously served at the FTC from 1989 to 1991 as Assistant to the Director of the Bureau of Competition and Attorney Advisor.
Senior Judge, United States Court of Appeals, District of Columbia Circuit
Circuit Judge Douglas H. Ginsburg was appointed to the United States Court of Appeals for the District of Columbia in 1986. After receiving his B.S. from Cornell University in 1970, and his J.D. from the University of Chicago Law School in 1973, he clerked on the D.C. Circuit and for Justice Thurgood Marshall on the United States Supreme Court. Thereafter, Judge Ginsburg was a professor at the Harvard Law School, the Deputy Assistant and then Assistant Attorney General for the Antitrust Division of the Department of Justice, as well as the Administrator of the Office of Information and Regulatory Affairs in the Office of Management and Budget. Concurrent with his service as a federal judge, Judge Ginsburg has taught at the University of Chicago Law School and the New York University School of Law. Judge Ginsburg is currently a Professor of Law at the George Mason University and a visiting professor at University College London, Faculty of Laws.
Judge Ginsburg is the Chairman of the International Advisory Board of the Global Antitrust Institute at the Law and Economics Center of the George Mason University School of Law. He also serves on the Advisory Boards of: Competition Policy International; the Harvard Journal of Law and Public Policy; the Journal of Competition Law and Economics; the Journal of Law, Economics & Policy; the Supreme Court Economic Review; the University of Chicago Law Review; the New York University Journal of Law and Liberty; and, at University College London, both the Centre for Law, Economics and Society and the Jevons Institute for Competition Law and Economics.
In 2020, Judge Ginsburg was the 11th recipient of the John Sherman Award, presented by the Antitrust Division of the Department of Justice in recognition of the awardee’s Lifetime Contributions to Antitrust Law and Policy.
In 2014, Judge Ginsburg received the Lifetime Achievement Award given annually by the Global Competition Review.
He is the author or co-author of several books and more than 100 articles on competition and regulation, including, most recently, Growing Convergence: The Limited Role of Antitrust in Standard Essential Patent Disputes, in CPI Antitrust Chronicle, Summer 2021, Vol. 1, No. 2.
James G. Dinan University Professor, Carey Law School, University of Pennsylvania
Herbert Hovenkamp is a Fellow of the American Academy of Arts and Sciences, and in 2008 won the Justice Department’s John Sherman Award for his lifetime contributions to antitrust law. In 2012 he served on the ABA’s Committee to advise the President-elect on antitrust matters. His principal writing includes The Opening of American Law: Neoclassical Legal Thought, 1870-1970 (Oxford, 2015); Antitrust Law (formerly with Phillip E. Areeda and Donald F. Turner) (22 vols., Aspen 2008-18); Principles of Antitrust (West, 2017); Creation Without Restraint: Promoting Liberty and Rivalry in Innovation (Oxford, 2012, with Bohannan); The Making of Competition Policy (Oxford, 2012, with Crane); The Antitrust Enterprise: Principle and Execution (Harvard, 2006); Federal Antitrust Policy: The Law of Competition and Its Practice (West, 5th ed. 2015); IP and Antitrust (2 vols., Aspen, 2017, with Janis, Lemley, Leslie, and Carrier); and Enterprise and American Law, 1836-1937 (Harvard, 1991). He has also co-authored casebooks in antitrust, property law, and a free open source casebook on innovation and competition policy. He has consulted on numerous antitrust cases for various government entities and private plaintiffs. He has two sons.
Partner, Litigation Department, Paul Hastings
Michael Murray is co-chair of the Antitrust and Competition practice at Paul Hastings and represents clients in high-stakes mergers and acquisitions and antitrust litigation and investigations. Based in the firm’s Washington, D.C. office, Michael is Chambers ranked and brings significant government antitrust and competition experience, having most recently served as the principal deputy assistant attorney general in the Antitrust Division at the Department of Justice (DOJ), where he oversaw the work of approximately 350 lawyers and 50 economists. In that capacity, Michael supervised DOJ’s merger investigations, conduct matters and litigation for several years.
Michael is the rare antitrust lawyer who maintains both an active merger control practice and a bustling litigation practice. In 2025, for example, he shepherded over $65 billion of transactions through global merger control regimes, including a litigated merger challenge in the U.S., while also representing over a dozen clients in major antitrust litigation. In that year, he won awards for both his merger work and his litigation matters. Chambers USA describes Mike for having “an encyclopedic knowledge of antitrust law [who] can recite different issues for different circuits.”
Michael also is a partner in the Appellate, Regulatory and Complex Litigation practices at Paul Hastings. He brings significant government experience to a practice consisting of preparing and litigating challenges to agency rulemaking, adjudication or other activity, having served as an associate deputy attorney general at DOJ, where he oversaw the Civil Division’s defense of high-profile rulemaking challenges and other agency actions. Earlier in his career, Michael clerked for the Honorable Justice Anthony M. Kennedy of the U.S. Supreme Court and the Honorable Judge Diarmuid F. O'Scannlain of the U.S. Court of Appeals for the Ninth Circuit. He also served as an AUSA for the U.S. Attorney's Office for the Eastern District of Virginia.
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.
Carolyn Craig Franklin Chair in Law; Professor of Law and Business; Affiliate Professor of Business, USC Gould School of Law and Marshall School of Business
D. Daniel Sokol is the Carolyn Craig Franklin Chair in Law and a Professor of Law and Business at the USC Gould School of Law and Marshall School of Business (marketing department). He holds a courtesy appointment in the Department of Economics. He also serves as faculty director of the Center for Transnational Law and Business and the co-director of the USC Marshall Initiative on Digital Competition. Additionally, in a part time capacity, he serves as Senior Advisor at White & Case LLP.
Professor Sokol is among the top 10 most cited antitrust law professors in the past five years. He focuses his teaching and scholarship on complex business issues from early stage start-ups to multinational businesses and the issues that businesses face regarding competition: antitrust, data breaches, corporate governance, digital platforms, compliance, innovation, M&A, digital transformation, and global business regulation.
He is a member of the American Law Institute. He also serves as academic advisor to the United States Chamber of Commerce and as a non-governmental Advisor to the International Competition Network. His work has appeared in a variety of journals: Strategic Management Journal, Journal of Law and Economics, Journal of Economics & Management Strategy, Harvard Business Review, Sloan Management Review, Michigan Law Review and Northwestern Law Review, among others.
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