Tran B. Nguyen

COO & CFO at Prothena

Mr. Nguyen has served as the Chief Operating Officer since 2018 and the Chief Financial Officer since 2013. He has over 20 years of finance experience in the healthcare, banking and private equity industries. Prior to joining Prothena, Mr. Nguyen was Vice President, Chief Financial Officer (from 2010 to 2011) and then Senior Vice President, Chief Financial Officer of Somaxon Pharmaceuticals, Inc., from 2011 until its sale in 2013. He was Vice President, Chief Financial Officer at Metabasis Therapeutics, Inc., from 2009 until its sale in 2010. From 2007 to 2009, Mr. Nguyen was a Vice President in the Healthcare Investment Banking group at Citi Global Markets, Inc., and from 2004 to 2007 he served in various capacities as a healthcare investment banker at Lehman Brothers, Inc. Mr. Nguyen previously served on the board of directors of Sierra Oncology, Inc., a public clinical-stage oncology company and currently serves on the board of Rain Therapeutics Inc., a private clinical-stage oncology company. Mr. Nguyen earned his B.A. in Economics and Psychology from Claremont McKenna College and his M.B.A. from the Anderson School of Management at the University of California, Los Angeles.



  • COO & CFO

    Current role

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