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
 Audit CommitteeCompensation CommitteeNominating and Corporate Governance Committee
Mohammad Azab, M.B. ChB., MBA 
Mohammad Azab, M.B. ChB., MBA
Director


Dr. Azab has served as a member of our Board since October 2003. In July 2009, Dr. Azab joined Astex Pharmaceuticals, Inc., a pharmaceutical company focused on the discovery and development of drugs in oncology and other areas, as its Chief Medical Officer. Since January 2014, Dr. Azab has served as President and Chief Medical Officer of Astex and has been a member of Astex’s Board of Directors. Previously, Dr. Azab served as President and CEO of Intradigm Corporation, a developer of siRNA cance... 
  Chairperson  
Steven Gannon, CA 
Steven Gannon, CA
Director


Mr. Gannon has served as a member of our Board since May 2015. Mr. Gannon has served on the Board of Directors of enGene Inc., a biotechnology company, since February 2017. From June 2014 to March 2018, Mr. Gannon served on the Board of Directors of Advanced Accelerator Applications SA, a healthcare company acquired by Novartis in January 2018. Mr. Gannon was Chief Financial Officer, Senior Vice President of Finance and Treasurer at Aptalis Pharma Inc. until February 2014, after which it was sol... 
Committee Member   
Frank Holler, MBA 
Frank Holler, MBA
Director


Mr. Holler has served as a member of our Board since March 1999. Mr. Holler previously served as Xenon’s President and CEO from 1999 to 2003. Mr. Holler has served as director and chairman of Sernova Corporation, a publicly-traded biotechnology company, since 2014. Mr. Holler previously served as chairman and CEO at BC Advantage Funds (VCC) Ltd., a venture capital firm and publicly-traded company that invested in emerging life science, clean tech and information technology companies, from 2004 t... 
Chairperson   
Gary Patou, MD 
Gary Patou, MD
Director


Dr. Patou has served as a member of our Board since January 2004. Dr. Patou has been a Managing Director at MPM Capital, a venture capital fund focused on life sciences companies, since 2005, and has served as interim Chief Medical Officer in various MPM portfolio companies. Since 2014, Dr. Patou has served as a senior medical advisor to Chiasma, Inc. Previously, Dr. Patou served as Chief Medical Officer for Pacira Pharmaceuticals, Inc. from 2009 to 2015, and True North Therapeutics, Inc. from J... 
  Committee Member Chairperson
Richard Scheller, PhD 
Richard Scheller, PhD
Director


Dr. Scheller has served as a member of our Board since March 2015. Dr. Scheller has been Chief Science Officer at 23andMe, a personal genetics company, since 2015. Previously, Dr. Scheller was the Executive Vice President of Research and Early Development and a member of the Executive Committee at Genentech, Inc. from February 2001 to December 2014. From January 2009 to December 2014, Dr. Scheller was also a member of the Enlarged Executive Committee at Hoffmann-La Roche Ltd. Since February 2015... 
  Committee Member  
Dawn Svoronos 
Dawn Svoronos
Director


Ms. Svoronos has served as a member of our Board since September 2016. Ms. Svoronos sits on the board of directors of PTC Therapeutics, a publicly-traded biopharmaceutical company, and is currently chair of the board for Theratechnologies Inc., a publicly-traded biopharmaceutical company. Ms. Svoronos retired in 2011 from Merck & Co., Inc. following a 23-year career in commercial positions of increasing seniority, most recently as President of Europe and Canada. In that role, Ms. Svoronos had fu... 
   Committee Member
Michael Tarnow, JD 
Michael Tarnow, JD
Chair and Director


Mr. Tarnow has served as a member of our Board since March 1999. Since 1995, Mr. Tarnow has been an advisor to and member of the boards of directors of private and public healthcare and biotechnology companies in the U.S., Canada and Europe, including Axcan Pharma, Creative Biomolecules, Inc., Caprion Pharmaceuticals Inc. and MediGene AG. He served as chair of EntreMed, Inc. (now CASI Pharmaceuticals, Inc.) a publicly-traded biotechnology company, from February 2003 to February 2009, and served ... 
Committee Member   Committee Member