Yoshihisa serves as Chief Administration Officer, Chief Compliance Officer, and General Counsel of Diamond Generating Corporation and Diamond Generating LLC. He currently manages the legal risk and compliance activities of the organization, providing advice on various transactions, disputes, corporate governance and compliance related matters. Prior to joining DGC, he worked at the Legal and Compliance Department of Mitsubishi Corporation (Americas) in their New York office, serving as Deputy General Manager of Legal and then as the General Manager of Compliance.

Yoshihisa is admitted to the bar in New York. He holds a Bachelors of Law and Masters of Law degrees from Keio University in Tokyo, Japan and an LL.M from Columbia University.