Board of Directors

Dr. Afting has served as a director since 1996. From 1995 until his retirement in 2006, Dr. Afting served as president and chief executive officer of the National Research Center for Environment and Health, GSF-National Research Center for Environment and Health GmbH, a governmental research center in Munich, Germany. From 1993 to 1995, he served as president and chief executive officer of Roussel UCLAF, Paris.

Kenneth F. Buechler, Ph.D., was president, chief scientific officer and co-founder of Biosite Incorporated. From 1988 to 1994, Dr. Buechler was Biosite's director of chemistry.

Mr. Fazio has served as a director since 2007. Mr. Fazio is a former senior general practice partner of PricewaterhouseCoopers, a global accounting and professional services company.

David Pendarvis is senior vice president – organizational development, global general counsel and secretary of ResMed Inc., a medical device company focused on sleep-disordered breathing. He has been with ResMed since 2002. From 2000 until 2002, Mr. Pendarvis was a partner in the law firm of Gray Cary Ware & Freidenrich LLP.

Dr. Hixson has served as chairman of the board of directors since 2003. He also currently serves as the chairman of the board of directors of BrainCells, Inc., a biopharmaceutical company focused on central nervous system drug development, where he was chief executive officer from July 2004 until September 2005.

Dr. Lerner has served as a director since 2007. Dr. Lerner has been president of the Scripps Research Institute, a private, non-profit biomedical research organization, since 1986.

Dr. Lindsay has been a director since 2003. Dr. Lindsay served as vice president, research and development, and chief science officer of diaDexus Inc., a biotechnology company, from 2000 to January 2004.