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Committee Composition

Goverance Documents | Board of Directors | Management | Committee Composition
Below is a summary of our committee structure and membership information. To read more about any of the committees, click on committee names in the chart below.
Chairperson Chairperson Committee Member Member Financial Expert Financial Expert
 Audit CommitteeCompensation CommitteeNominating and Corporate Governance Committee
Harold E. “Barry” Selick 
Harold  E. “Barry” Selick

Dr. Selick has served on our board of directors since February 2009. Dr. Selick has served as the Chief Executive Officer and a director of Threshold Pharmaceuticals, Inc. since June 2002. From June 2002 until July 2007, Dr. Selick was also a Venture Partner of Sofinnova Ventures, Inc., a venture capital firm. From January 1999 to April 2002, he was Chief Executive Officer of Camitro Corporation, a biotechnology company. From 1992 to 1999, he was at Affymax Research Institute, the drug discovery... 
  Chairperson Committee Member
Armen B. Shanafelt, Ph.D. 
Armen B. Shanafelt, Ph.D.

Dr. Shanafelt has served as a member of our board of directors since January 2010. Since April 2009, Dr. Shanafelt has been a partner of Lilly Ventures, a venture capital firm. Prior to joining Lilly Ventures, Dr. Shanafelt was Chief Science Officer responsible for the generation of the early biotherapeutic pipeline for Eli Lilly and Company, a pharmaceutical research company, spanning the therapeutic areas of oncology, endocrine, and neuroscience. Dr. Shanafelt currently serves as Chairman of t... 
Committee Member   Chairperson
William D. Waddill Financial Expert
William D. Waddill

Mr. Waddill has served as a member of our board of directors since July 2016. Since April 2014, Mr. Waddill has served as Senior Vice President, Chief Financial Officer, Treasurer and Secretary of Calithera Biosciences, Inc. From October 2007 to March 2014, Mr. Waddill served as Senior Vice President and Chief Financial Officer at OncoMed Pharmaceuticals, Inc., a biopharmaceutical company. From October 2006 to September 2007, Mr. Waddill served as the Senior Vice President, Chief Financial Offic... 
Chairperson Committee Member  
Chaitan Khosla, Ph.D 
Chaitan Khosla, Ph.D

Dr. Khosla has served as a member of our board of directors since October 2014. Dr. Khosla was the scientific founder and a member of the Board of Directors of Alvine Pharmaceuticals from 2005 until 2016. Prior to Alvine Pharmaceuticals, Dr. Khosla founded and was a director of Kosan Biosciences, from 1995 until it was acquired by Bristol-Myers Squibb in 2008. Dr. Khosla has been a Professor of Chemical Engineering and Chemistry at Stanford University since 2001 and has been a faculty member sin... 
   Committee Member
Sarah Noonberg 
Sarah Noonberg

Dr. Noonberg has served as a member of our board of directors since December 2017. Dr. Noonberg has served as Prothena’s Chief Medical Officer since May 2017. Prior to joining Prothena, she served as Group Vice President and Head of Global Clinical Development at BioMarin Pharmaceuticals Inc., where she was responsible for development strategy and execution across a diverse clinical portfolio. From 2007 to 2015, Dr. Noonberg held several positions at Medivation, Inc. where, as Senior Vice Presid... 
Committee Member   
Lewis T. “Rusty” Williams 
Lewis T. “Rusty” Williams

Dr. Williams has recently joined us as a member of our board of directors. He founded Five Prime Therapeutics, Inc. in December 2001 and has served as its President and Chief Executive Officer since August 2011, as the Executive Chairman from July 2003 to January 2012, and as Chairman of the Board since March 2016. Previously, Dr. Williams spent seven years at Chiron Corporation, now Novartis Vaccines and Diagnostics, Inc., most recently as its Chief Scientific Officer. He also served on Chiron’... 
  Committee Member