Ignacio de Castro is the director of the Arbitration and Mediation Center at the World Intellectual Property Organization (WIPO).

Castro is a Spanish lawyer and an English solicitor. He holds an LL.M. degree from King's College London. Before joining WIPO in 2002, he was a member of the legal staff at the United Nations Compensation Commission in Geneva and, prior to that, practiced with the law firm Freshfields Bruckhaus Deringer in London, specializing in international arbitration and litigation.