Richard J. Klein

Richard J. Klein has served as our Chief Financial Officer since May 2007 and as our Treasurer since September 2007. From 2004 to 2007, Mr. Klein provided financial consulting services to various technology companies. From 1996 to 2004, he was at Sonus Pharmaceuticals, Inc., a publicly traded biotechnology company, most recently as Senior Vice President and Chief Financial Officer. From 1988 to 1995, he was Director of Finance at ATL Ultrasound Inc., a publicly traded manufacturer of medical ultrasound equipment that was acquired by Phillips Medical Systems. Mr. Klein received his B.S. in business administration from Washington State University, and is a member of Financial Executives International and the Association of Bioscience Financial Officers.