Cleary Gottlieb Steen & Hamilton

Partner - EU Law and Antitrust

Marco has assisted large multinational companies in complex competition law matters, proceedings and litigation before European and national competition authorities, in European courts and in Italian civil and administrative courts. He also deals with European and Italian regulation of telecommunications, energy and media.

Marco D'Ostuni joined the Firm as Partner in 2024.

Italian, English, French, Spanish

2001, Member of the Rome Bar (Italy) 2003, Admitted to New York State Bar 2013, Admitted to practice before the Supreme Court, Italy

Graduated in Law, With Honours University of Naples Federico II, 1996 LL.M., Advanced European Legal Studies College of Europe (Bruges,  Belgium), 1998 LL.M. Columbia Law School (New York), 2000 Ph.D, Competition Law University of Perugia, 2007