Marco D’Ostuni is a partner in the Rome office of Cleary Gottlieb Steen & Hamilton LLP. Mr D’Ostuni’s practice focuses on competition law and regulation in the energy, telecommunications and media sectors.

Mr D’Ostuni has represented clients in some of the leading EU and Italian competition law cases, often in liberalised and heavily regulated sectors. He is widely published on antitrust matters and regularly lectures at numerous conferences and universities.

Mr D’Ostuni joined the firm in 2000 and, until June 2001, was based in the New York office. He became partner in 2009. Prior to joining Cleary, Marco was a trainee at an administrative law firm in Naples, from 1996 to 1997. From 1998 to 2000, he was an associate at a major international competition law firm in Brussels.