Lloyd Constantine is Counsel to Constantine Cannon LLP, a commercial litigation firm in New York and Washington, D.C. with an internationally renowned antitrust practice. Lloyd founded the firm, originally called Constantine & Partners with several friends in 1994 and was its Chairman and Managing Partner until January 2007.

Lloyd was Senior Advisor to New York State Governor Eliot Spitzer from January 2007 until March 2008. In this capacity he advised the Governor on a broad range of public policy issues and directed the Administration's initiatives in the areas of Higher Education, Local Government Efficiency, Public Authority Reform and the legal representation of New York's poor in civil and criminal proceedings. He also served on New York's Executive Clemency Committee.

Lloyd was lead counsel for the plaintiffs in the landmark Visa Check/MasterMoney Antitrust Litigation, which resulted in a $3.4 billion monetary settlement and an historic injunction, which the court valued as providing upwards of $87 billion in benefit for U.S. merchants and consumers.

Lloyd has extensive litigation experience at all levels of federal and state courts, including oral argument before the United States Supreme Court. He served as lead or co-lead counsel in many complex antitrust cases including the Panasonic Antitrust Litigation (50 States); Liberty Cable v. Time Warner; the Minolta Antitrust Litigation (37 States); Kesmai v. AOL; States v. Visa and MasterCard; States v. Mitsubishi (50 States); Primestar I (44 States); Discover v. Visa and MasterCard; and Ortho Biotech v. Amgen.

Lloyd was the Assistant Attorney General in Charge of Antitrust for New York State (1980-1991). He served as Chair of the Antitrust Task Force of the National Association of Attorneys General (NAAG) from 1985-89. He is the principal author of NAAG's 1987 "Merger Guidelines," 1985 and 1988 "Vertical Restraints Guidelines," and 1988 "Pre-Merger Disclosure Compact." He also served as the States' first liaison to the Executive Working Group for Antitrust (FTC-States-DOJ).

Lloyd has frequently testified before Congress on antitrust, international trade and nominations to the Supreme Court and "lower" federal courts. He has served as an expert on U.S. competition law and economics in Australian and Canadian antitrust cases.

Lloyd currently serves on the Board of Brookhaven Science Associates, which governs the U.S. Department of Energy's Brookhaven National Laboratory. Lloyd was a Council Member of the ABA Section of Antitrust Law and Chair of the Sherman Act Section 2 Committee. He served as Chair of the New York State Bar Association Antitrust Law Section. He served on the Advisory Boards of BNA Antitrust and Trade Regulation Report, the American Antitrust Institute and the Institute for Consumer Antitrust Studies. He also served on the Board of the Jacob K. Javits Convention Center of New York State and on the Board of The Children for Children Foundation.

In 1998, Lloyd chaired the Transition Committee for New York Attorney General-Elect Spitzer and, in 2006 co-chaired the Spitzer Gubernatorial Transition.

Lloyd was the recipient of the American Antitrust Institute's award for career achievement in antitrust and regulatory policy (2004), the New York State Bar Antitrust Section Award for service to the legal profession and career achievement in antitrust law (2004) and was the first recipient of the National Association of Attorneys General "C. Raymond Marvin" Prize, awarded to outstanding Assistant State Attorneys General (1987).

Lloyd was a member of McDermott, Will & Emery from 1991 through March 1994. He devoted the first eight years of his career to the Legal Services program, representing poor people in civil rights and civil liberties litigation. Lloyd was an Adjunct Professor of Law at Fordham University School of Law from 1989 through 1996.

Lloyd is a frequent lecturer, commentator and author on Competition Law and Policy, Local Government Efficiency and Higher Education policy.

Lloyd received his undergraduate degree from Williams College and his J.D. from Columbia Law. At Williams, Lloyd played football and tennis, worked with delinquent youth at the Berkshire Farm for Boys and was an exchange student to Howard University in the disastrous Spring semester of 1968. While at Columbia Law, Lloyd interned for two years in a neighborhood legal services office in Jamaica, New York.

Lloyd is married to Jan Friedman Constantine, General Counsel of the Authors Guild, Partner at Constantine Cannon and an accomplished cabaret performer, with a wide following. Jan and Lloyd have three children, Isaac, a fiction writer, Sarah, a doctoral student in clinical psychology, and Elizabeth, an undergraduate at the University of Wisconsin at Madison.