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.
Head of Antitrust and Competition Law, Ericsson
Dina Kallay is the head of Antitrust of Ericsson where she covers the American and Asian continents and also advises on Intellectual Property matters. Prior to joining Ericsson in 2013, Dina served over six years as Counsel for Intellectual Property and International Antitrust at the U.S. Federal Trade Commission (“FTC”). As Counsel for I.P. at the FTC, Dina focused on worldwide antitrust-intellectual property matters, including standard-setting issues, as well as on Asian and multilateral competition matters. She worked closely with the three Chinese antimonopoly agencies and has also spent a year with the FTC Bureau of Competition, working on antitrust conduct and merger enforcement matters in high-tech industries. Prior to joining the FTC, Dina practiced antitrust and intellectual property law at a couple of law firms, most recently with the Washington DC office of Howrey LLP. She also worked as in-house antitrust counsel for Microelectrónica Española, where her work focused around the I.P. policy of the European Telecommunications Standards Institute (ETSI). Before that she clerked at the European Commission Directorate General for Competition (DG COMP) unit for Information Industries and Consumer Electronics, where she worked on antitrust investigations and policy matters involving intellectual property. Ms. Kallay holds a doctorate from the University of Michigan Law School, where her doctoral dissertation focused on antitrust-IP interface issues, and was later published as a book - The Law and Economics of Antitrust and Intellectual Property (Edward Elgar, 2004). Dina has written and spoken extensively on antitrust and intellectual property, and has also taught both subjects as an adjunct professor at the Hebrew University and Bar Ilan University. She is a member of the District of Columbia, New York, England and Wales (Solicitor) and Israel bars.
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.
Global Competition Counsel, BHP Group
Kirstie is Global Competition Counsel at BHP. Based in Singapore, Kirstie is responsible for the group’s competition law compliance framework and leads the BHP competition law team advising advises clients located across the BHP group on the full range of competition law matters, including merger control, investigations and day to day counselling. Before joining BHP, Kirstie spent over a decade in private practice as a competition law specialist with international law firms in London, Brussels, Shanghai and Singapore, and was among the first European competition lawyers to relocate to China to assist clients with aspects of the developing competition laws in Asia. Her practice has covered all aspects of competition law, including cartels, dominance, mergers and appeals to the European Courts. Kirstie was also a founding partner of Landmark Asia in Singapore, a boutique public affairs consultancy assisting clients with regulation and policy throughout the APAC region.
Former Senior Director, Antitrust & Competition, Cisco
Gil Ohana is former Senior Director, Antitrust and Competition for Cisco, the leading manufacturer of networking equipment for the Internet. Gil writes and speaks regularly on antitrust and intellectual property issues relating to standard-essential patents in the areas of wired and wireless networking and communications. He has participated indiscussions of standards development organization IPR policies at leading standards development organizations such as ANSI, ETSI, IEEE-SA, ITU-T, IETF, and OneM2m, and has advised on the formation and operation of numerous informal standards development organizations active in IoT and patent pools.
From 1993 through 1996, Gil was a trial attorney with the Antitrust Division of the U.S. Department of Justice, where he participated in the Division's investigation of Microsoft's software licensing practices and its successful court challenge to Microsoft's proposed acquisition of Intuit.
Gil received his law degree from Columbia University, where he was articles editor of the Columbia Law Review, and his B.A. from Harvard College. He is admitted to the bars of California and the District of Columbia.
Senior Counsel for International Competition Affairs, Deutsche Telekom AG
Partner, Gibson Dunn & Crutcher
Christopher M. Wilson is a partner in the Washington, D.C. office of Gibson Dunn & Crutcher. He is a member of the firm’s Antitrust and Competition Practice Group.
Mr. Wilson assists clients in navigating DOJ, FTC, and international competition authority investigations as well as private party litigation involving complex antitrust and consumer protection issues, including matters implicating the Sherman Act, the Clayton Act, the FTC Act, the Hart-Scott-Rodino (HSR) merger review process, as well as international and state competition statutes. His experience crosses multiple industries, including health insurance, transportation, telecommunications, technology, energy, agriculture, and biotechnology, and his particular areas of focus include merger enforcement, interlocking directorates, joint ventures, compliance programs, and employee “no-poach” agreements. He is also well-versed in cross-border investigations involving the European Union, the United Kingdom, Canada, Brazil, Japan, Korea, and Saudi Arabia, among other jurisdictions.
Mr. Wilson is also active in the Antitrust Section of the American Bar Association, serving as Vice Chair of the Transportation & Energy Industries Committee. He is also a member of the Section’s Health Care and Pharmaceuticals Committee, and is a frequent participant in ABA webcasts and presentations.
Prior to joining the firm, Mr. Wilson was a trial attorney in the Transportation, Energy & Agriculture Section of the U.S. Department of Justice – Antitrust Division. During his tenure, Mr. Wilson played a prominent role in numerous high-profile matters, and he received the Antitrust Division’s Award of Distinction on two separate occasions. Before joining the Department of Justice, Mr. Wilson was an associate in Gibson Dunn’s Dallas office.
He is a graduate of Columbia Law School, where he was a Harlan Fiske Stone scholar, and was an editor on the Columbia Business Law Review. He holds a B.A. in Economics from New York University.
Mr. Wilson is admitted to practice in California, Texas, and the District of Columbia.
Senior Research Fellow, Mercatus Center, George Mason University; Former General Counsel at the Federal Trade Commission (FTC)
Alden Abbott is a Senior Research Fellow at the Mercatus Center. Prior to joining Mercatus, he served as the General Counsel of the Federal Trade Commission (FTC). As the Commission’s chief legal officer and adviser, he represented the agency in court and provides legal counsel to the Commission and its bureaus and offices.
Prior to rejoining the FTC in April 2018, Mr. Abbott served in executive positions at the Heritage Foundation (2014-2018) and BlackBerry (2012-2014). He also held a variety of senior positions in the U.S. federal government (in the FTC, the Commerce Department, and the Justice Department's Office of Legal Counsel and the Antitrust Division).
He speaks French, Spanish, and Italian.
Revisiting Philadelphia National Bank: The Structural Presumption and the Future of Merger Review
Debbie Feinstein, Douglas H. Ginsburg, Herbert Hovenkamp, Michael Murray, Rahul Rao, D. Daniel Sokol
The 1963 Supreme Court case United States v. Philadelphia National Bank established a "structural presumption": if a merger...
Fireside Chat with Gwendolyn Cooley
Dina Kallay, Gwendolyn J. Lindsay Cooley
Please join us for a fireside chat with Gwendolyn Cooley, former Chair of the National...
Proposed Changes to the HSR Merger Filing Process: In-House Counsel View
Kirstie Nicholson, Gil Ohana, Roman Reuter, Chris Wilson
The U.S. antitrust agencies have recently proposed changes to the HSR merger filing process, broadening...
Topics
An Interview with Makan Delrahim, Former Assistant Attorney General for the Department of Justice Antitrust Division
Svetlana S. Gans, a member of the Federalist Society’s Corporations, Securities, & Antitrust Practice Group...
Topics
The Taiwan Fair Trade Commission’s Problematic Qualcomm Decision Highlights the Urgent Need for U.S. Leadership in International Antitrust
In his inaugural policy speech as Assistant Attorney General and head of the Antitrust...
Regulation and Innovation with Alden Abbott
Minneapolis, Minnesota