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.
Retired, Winston & Strawn LLP
Jerry Loeser is of counsel in the Chicago office of Winston & Strawn, and his practice focuses on banking regulation. He has extensive experience in counseling financial services clients on, among other things, bank acquisitions, privacy, financial modernization, the USA PATRIOT Act, Basel II and III, lending limits, capital, trust, affiliate transactions, and Federal Reserve, OCC, FDIC, and CFPB regulations.
Prior to working at large corporate law firms, Jerry was chief regulatory and compliance counsel for Comerica Bank, where he also served as senior vice president and deputy general counsel and as general counsel of its retail bank division. Before that, he served as chief regulatory in-house counsel at Wells Fargo & Co. Jerry began his legal career advising the Board of Governors of the Federal Reserve System in Washington, D.C.
George Mason University Foundation Professor of Law, Antonin Scalia Law School, George Mason University
TODD J. ZYWICKI is George Mason University Foundation Professor of Law at Antonin Scalia Law School at George Mason University and Research Fellow of the George Mason Law and Economics Center. During the Fall 2023 semester he served as the Visiting Scholar in Conservative Thought and Policy for the Bruce Benson Center for the Study of Western Civilization at the University of Colorado-Boulder. From 2020-2021 he was Chair of the Consumer Financial Protection Bureau Taskforce on Federal Consumer Financial Law. In 2021 he was inducted to the American College of Consumer Financial Services Lawyers. He is also a Senior Fellow of the F.A. Hayek Program for the Advanced Study of Politics, Philosophy, and Economics at George Mason University and a former Senior Fellow of the Cato Institute. From 2015-2017 he was Executive Director of the George Mason Law and Economics Center. He served as Co-Editor of the Supreme Court Economic Review from 2006-2017. From 2003-2004, Professor Zywicki served as the Director of the Office of Policy Planning at the Federal Trade Commission. He has also taught at Vanderbilt University Law School, Georgetown University Law Center, Boston College Law School, Mississippi College School of Law, and China University of Political Science and Law.
Professor Zywicki clerked for Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit and worked as an associate at Alston & Bird in Atlanta, Georgia, where he practiced bankruptcy and commercial law. He received his J.D. from the University of Virginia, where he was executive editor of the Virginia Tax Review and John M. Olin Scholar in Law and Economics. Professor Zywicki also received an M.A. in Economics from Clemson University and an A.B. cum Laude with high honors in his major from Dartmouth College.
Professor Zywicki is also a Lone Mountain Fellow of the Property and Environment Research Center, a Fellow of the International Centre for Economic Research in Turin, Italy, and a former Senior Fellow of the Goldwater Institute. During the Fall 2008 Semester Professor Zywicki was the Searle Fellow of the George Mason University School of Law and was a 2008-09 W. Glenn Campbell and Rita Ricardo-Campbell National Fellow and the Arch W. Shaw National Fellow at the Hoover Institution on War, Revolution and Peace. He has lectured and consulted with government officials around the world, including Iceland, Italy, Japan, and Guatemala. In 2006 Professor Zywicki served as a Member of the United States Department of Justice Study Group on “Identifying Fraud, Abuse and Errors in the United States Bankruptcy System.”
Professor Zywicki is the author of more than 130 articles in leading law reviews and peer-reviewed economics journals. He is one of the Top 10 most-cited law professors in the field of Commercial Law and one of the Top 25 law professors on Twitter as measured by engagement levels. He is one of the Top 50 Most Downloaded Law Authors at the Social Science Research Network. He has testified multiple times before Congress on issues of consumer bankruptcy law and consumer credit and is a frequent commentator on legal issues in the print and broadcast media, including the Wall Street Journal, New York Times, The Washington Post, The Washington Times, Nightline, The Newshour with Jim Lehrer, Neil Cavuto Show, Fox & Friends, Smerconish, Fox News @ Night with Shannon Bream, Fox Business, CNN, CNBC, Bloomberg News, BBC, The Diane Rehm Show, Lou Dobbs Show, Jerry Doyle Show, and The Laura Ingraham Show.
Professor Zywicki is former Chairman and a current member of the Board of Directors of the Competitive Enterprise Institute, and is a member of the Board of Directors of the Institute for Humane Studies, Bill of Rights Institute, the Executive Committee for the Federalist Society's Financial Institutions and E-Commerce Practice Group, the Board of Trustees of the Foundation for Research on Economics and the Environment. He formerly served on the Governing Board and the Advisory Council for the Financial Services Research Program at George Washington University School of Business. He is currently the Chair of the Academic Advisory Council for the following organizations: The Bill of Rights Institute, the film “We the People in IMAX,” and the McCormick-Tribune Foundation “Freedom Museum” in Chicago, Illinois. He is a member of the Board of Visitors of Ralston College and was a member of the Board of Trustees of Yorktown University. From 2005-2009 he served as an elected Alumni Trustee of the Dartmouth College Board of Trustees.
Partner, Creed & Gowdy
Bryan Gowdy is a board-certified appellate lawyer. His practice is limited to handling appeals, post-conviction motions, and trial support for matters likely to be appealed. His practice encompasses all substantive areas of the law, including plaintiff's injury and products liability, commercial cases, criminal law, and family law. He has briefed and orally argued appeals before the U.S. Supreme Court, the U.S. Court of Appeals for the Eleventh Circuit, the Supreme Court of Florida, and Florida's district courts of appeal. He also has handled appeals in the U.S. Courts of Appeals for the First, Fourth, Fifth, and Ninth Circuits. He is AV-rated by Martindale Hubbell and has been selected as a Top 100 in Florida Super Lawyer, Top 25 in Jacksonville Super Lawyer, and a "Legal Elite" by Florida Trend Magazine. In 2019, Mr. Gowdy began serving as the Chair for the Florida Justice Association Amicus Curiae Committee.
Before joining the firm, Mr. Gowdy was with the national law firm of McGuireWoods LLP, where he primarily handled commercial litigation at the trial and appellate level. Mr. Gowdy began his legal career as a law clerk for federal judges at the trial and appellate level. Mr. Gowdy attended the University of Florida Levin College of Law, where he was first in his class, a member of the Order of the Coif, and the management editor of the Florida Law Review.
Before law school, Mr. Gowdy was an active-duty surface warfare officer in the United States Navy, and he graduated from the School of Foreign Service at Georgetown University.
Founding Principal, Gupta Wessler PLLC
Deepak Gupta is the founding principal of Gupta Wessler PLLC. He focuses on Supreme Court, appellate, and complex litigation on a wide range of issues, including constitutional law, class actions, and consumers’ and workers’ rights.
Deepak is “known as a skilled appellate lawyer” (New York Times), “one of the emerging giants of the appellate and the Supreme Court bar,” a “heavy hitter,” and a “principled” and “incredibly talented lawyer” (Law 360). He is described in Chambers and Partners USA as “an excellent lawyer” with a “vibrant appellate practice focused on public interest cases and plaintiff-side representations.” Fastcase recently recognized him as “one of the country’s top litigators,” noting that “what sets him apart” is his legal creativity. The National Law Journal has singled out Deepak’s “calm, comfortable manner that conveys confidence” in oral argument.
Deepak regularly appears in the U.S. Supreme Court and appellate courts nationwide. In the 2016-2017 U.S. Supreme Court term, Deepak’s firm was counsel of record for parties in three merits cases; he was lead counsel in two, prevailing in both. Beyond the Supreme Court, Deepak has handled appeals in every federal circuit and seven state supreme courts. He is frequently sought out by trial lawyers to defend their most consequential victories or resurrect worthy claims on appeal—often after years of hard-fought litigation. He also works with co-counsel to design cases from the ground up—focusing on class actions and administrative and constitutional challenges. In one class action, Deepak represented all of the nation’s federal bankruptcy judges, recovering more than $50 million in back pay for the judges over Congress’s violation of the Constitution’s Judicial Compensation Clause. As the American Lawyer observed, “it’s hard to imagine a higher compliment than being hired to represent federal judges.”
Deepak’s clients have included national nonprofits, state and local governments, members of Congress, retail merchants, tech companies, and classes of consumers and workers harmed by corporate wrongdoing. He currently represents the American Association for Justice (on forced arbitration and civil justice issues), Everytown for Gun Safety (in Second Amendment litigation), and Citizens for Responsibility and Ethics in Washington (in litigation over the Emoluments Clauses).
Before founding the firm in 2012, Deepak served as Senior Counsel for Litigation and Senior Counsel for Enforcement Strategy at the Consumer Financial Protection Bureau. As the first appellate litigator hired under Elizabeth Warren’s leadership, he launched the Bureau’s amicus program, defended its regulations, and worked with the Solicitor General’s office on Supreme Court matters. For seven years previously, he was an attorney at Public Citizen Litigation Group, where he founded and directed the Consumer Justice Project and was the Alan Morrison Supreme Court Project Fellow. Before that, he worked on voting rights litigation at the Civil Rights Division of the U.S. Department of Justice, prisoners’ rights litigation at the ACLU, and religion clause litigation at Americans United for Separation of Church and State.
Deepak frequently engages in public advocacy and speaking, has testified multiple times before the U.S. House of Representatives and U.S. Senate, and appears frequently in the national print and broadcast media. He is currently a 2018-2019 Wasserstein Public Interest Fellow at Harvard Law School and has previously taught courses on public interest law and appellate advocacy as an Adjunct Professor of Law at Georgetown and American universities. He served as a law clerk to Judge Lawrence K. Karlton of the U.S. District Court for the Eastern District of California and studied law at Georgetown, Sanskrit at Oxford, and philosophy at Fordham.
Deepak is an elected member of the American Law Institute and sits on the boards of directors of the National Consumer Law Center, The Impact Fund, and the Alliance for Justice, and the advisory boards of the University of California’s Civil Justice Research Initiative, the Biden Institute, and the Institute for Consumer Antitrust Studies.
Partner, Latham & Watkins LLP
Roman Martinez is a partner in the Washington, D.C. office of Latham & Watkins. As a member of the firm’s Supreme Court and Appellate Practice, he focuses primarily on appeals in the Supreme Court of the United States, the United States Courts of Appeals, and state appellate courts. Mr. Martinez has handled civil and criminal matters involving a wide range of constitutional, statutory, and administrative law issues, and he has argued cases in the Supreme Court and the D.C., Sixth, Ninth, and Federal Circuits, among other courts.
Mr. Martinez’s appellate practice encompasses civil and criminal matters spanning virtually all areas of law. He recently rejoined Latham after serving as an Assistant to the Solicitor General at the US Department of Justice. In that role, he represented the United States in litigation before the Supreme Court and advised the Solicitor General on the government’s appellate litigation throughout the country.
Mr. Martinez has personally argued seven cases in the Supreme Court, including important cases in the fields of patent law, criminal law, civil rights, and civil procedure. He has filed over 75 briefs in the Supreme Court involving a wide range of legal issues, including administrative, tax, securities, intellectual property, criminal, environmental, education, civil rights, immigration, and First Amendment law.
Over the past year, Mr. Martinez has led Latham appellate teams in cases involving the Administrative Procedure Act, securities, ERISA, products liability, and employment law. Earlier this year, he successfully persuaded the Supreme Court to reject the State of Connecticut’s high-profile effort to reinstate the murder conviction of Michael Skakel. He frequently consults with clients to develop creative approaches to difficult legal questions that arise in and out of litigation.
Mr. Martinez’s extensive pro bono practice focuses chiefly on administrative law challenges to unlawful agency action by the Department of Veterans Affairs, as well as on criminal defense appeals. In 2018, he persuaded the Supreme Court to grant certiorari on behalf of a veteran seeking judicial review of an unlawful regulation promulgated by the Department of Veterans Affairs.
Before joining Latham, Mr. Martinez served as a law clerk to Chief Justice John G. Roberts of the Supreme Court of the United States and to then Judge Brett M. Kavanaugh of the D.C. Circuit.
From 2002 to 2005, Mr. Martinez served as an advisor on the Iraqi political and constitutional process, in various roles at the White House, at the US Embassy and Coalition Provisional Authority in Iraq, and at the Department of Defense. He received the Secretary of Defense Medal for the Global War on Terrorism and the US Department of Defense Distinguished Public Service Award for his service in Iraq.
Mr. Martinez is a member of the Edward Coke Appellate Inn of Court, and he serves on the US Chamber of Commerce's Administrative Law & Government Litigation Advisory Committee. He previously served as a member of the D.C. Circuit’s Advisory Committee on Procedures, and he now serves on the US District Court for the District of Columbia’s Committee on Grievances. His writing has appeared in The Wall Street Journal, The Washington Post, and other publications. He has appeared as a guest on the PBS NewsHour and other television programs to discuss the Supreme Court.
Partner, Litigation Department, Paul Hastings
Ben Snyder is a partner in the Litigation Department at Paul Hastings and chair of the firm’s Appellate Litigation practice. An experienced appellate litigator, Ben has argued nine cases before the Supreme Court of the United States and has handled matters in nearly every federal court of appeals. Ben also has extensive experience representing clients before trial courts, including through the preparation of dispositive motions and affirmative challenges to government regulations.
A former Assistant to the Solicitor General of the United States, Ben has significant experience in a broad range of civil and criminal subject areas. He has worked on dozens of False Claims Act matters, both within the government and on behalf of private clients in the healthcare and defense industries. Ben also has extensive experience litigating Administrative Procedure Act cases, particularly in the context of banking, consumer finance, and Medicare/Medicaid regulations. In addition, he has represented clients in numerous appeals involving federal antitrust and securities laws, the Employee Retirement Income Security Act of 1974 (ERISA), the Foreign Sovereign Immunities Act (FSIA), the Federal Arbitration Act, and the Fair Credit Reporting Act.
Earlier in his career, Ben served as a law clerk for Chief Justice John Roberts and the Honorable Jeffrey Sutton of the U.S. Court of Appeals for the Sixth Circuit.
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...
Supreme Court Preview
Jacksonville Lawyers Chapter
Developments at the Consumer Financial Protection Bureau September 10, 2014 – October 14, 2014
Julius L. Loeser, Todd J. Zywicki
Developments at the Consumer Financial Protection Bureau September 10, 2014 – October 14, 2014 Julius...