Currently, Tran B. Nguyen occupies the position of Chief Financial & Strategy Officer at Prothena Corp. Plc. Mr. Nguyen is also on the board of Rain Therapeutics, Inc.

He previously occupied the position of Vice President of Citigroup, Inc. and VP-Healthcare Investment Banking Group at Citigroup Global Markets, Inc. (a subsidiary of Citigroup, Inc.), CFO, Secretary, Treasurer, CAO & VP-Finance at Metabasis Therapeutics, Inc., Chief Financial Officer, Senior VP & Head-IR at Somaxon Pharmaceuticals, Inc. and VP-Healthcare Investment Banking Group at Lehman Brothers, Inc.

Mr. Nguyen received an undergraduate degree from Claremont McKenna College and an MBA from UCLA Anderson School of Management.