He joined Marval O'Farrell Mairal in July 1997 and has been a partner since 2005. From June 2000 to May 2005, he was in charge of the firm's New York office. Before joining the New York office, Dr. Slemenson worked as a foreign associate at Cleary, Gottlieb, Steen & Hamilton, New York.
He has participated as legal advisor in different types of international transactions, including capital market operations, debt restructuring, securitizations, M&A, project finance and real estate transactions.
Dr. Slemenson completed his law studies at the University of Buenos Aires in 1992 and obtained his Master of Laws (LL.M) from the American University - Washington College of Law in 1996.
He has published several articles in his area of expertise.
He is a member of the American Bar Association, where he served as a member and division chair (Division Chair) in the International Law Section (2005-2007), having been co-chair of the 2004 Spring Convention and co-chair of the Committee on Foreign Lawyers. He is also a member of the Federal Capital Public Bar Association, the New York City Bar Association, and the New York State Bar Association, where he chaired the Foreign Lawyers Committee.