Calvani practices antitrust law in the Washington, D.C. office of Freshfields Bruckhaus Deringer US.
Previously, he served as commissioner of the U.S. Federal Trade Commission from 1983 to 1990, where he was acting chairman during 1985–1986, and later as a member of the board of directors of the Irish Competition Authority, where he held the criminal investigations portfolio. During that period, he was an active member of advisory committees for the EU Competition.
From 1974 to 1983, Calvani was professor of law at Vanderbilt School of Law teaching courses on antitrust law. Following his term on the FTC, he returned to private practice with the Pillsbury firm until his appointment in Ireland. In addition to Vanderbilt, he has taught antitrust law at Duke University School of Law, the Harvard Law School, Trinity College, Dublin, and Cornell Law School.
Calvani has served as chairman of several American Bar Association antitrust section committees and two terms on its governing council. He is a member of the American Law Institute and serves on the advisory boards of the Antitrust Bulletin, Oxford University Journal of Antitrust Enforcement, and the Dublin University Law Journal. He has written and spoken extensively on antitrust issues. He is listed as a leading antitrust and regulatory lawyer in many guides and directories.
While in private practice, Calvani has worked on acquisitions and joint ventures in a very large number of industries and their review by numerous competition agencies. He has participated in civil and criminal investigations in many industries by both federal and state authorities.
Calvani is a graduate of Cornell Law School, where he was articles editor of The Law Review.