Dennis G. Podlesak has served as chairman of our board of directors since December 2008. Since November 2007, Mr. Podlesak has served as a partner at Domain Associates, LLC, a life science-focused venture capital firm. While at Domain, Mr. Podlesak was a founder and the Chief Executive Officer of Calixa Therapeutics, Inc., a privately held biopharmaceutical company, which was acquired by Cubist Pharmaceuticals, Inc. in December 2009. Mr. Podlesak was also the executive chairman of Corthera, Inc., a privately held biopharmaceutical company, which was acquired by Novartis AG in January 2010. Prior to joining Domain, from 2005 to 2007, Mr. Podlesak served as the Chief Executive Officer and a member of the board of directors of Cerexa, Inc., a privately held biotechnology company, which became a wholly owned subsidiary of Forest Laboratories, Inc. after being acquired by Forest in January 2007. From 2004 to 2005, Mr. Podlesak served as the Chief Executive Officer of Peninsula Pharmaceuticals Inc., a privately held pharmaceutical company, and in June 2005, he led the sale of Peninsula to Johnson & Johnson. Prior to joining Peninsula, Mr. Podlesak held various management and executive positions at Novartis AG, a publicly traded healthcare company, and Allergan, Inc., a publicly traded healthcare company. Mr. Podlesak serves on a number of public and private company boards, including Regado Biosciences, Inc., a publicly traded biotechnology company, and Avanir Pharmaceuticals, Inc., a publicly traded biopharmaceutical company. Mr. Podlesak received a B.A. and an M.B.A. from Pepperdine University, and has completed postgraduate studies at the Wharton School, University of Pennsylvania.