Amit Kumar, Ph.D. has been President and Chief Executive Officer of CombiMatrix Corporation since September 2001 and has been a director of CombiMatrix since September 2000. Previously, Dr. Kumar was Vice President of Life Sciences of Acacia Research Corp. From January 1999 to February 2000, Dr. Kumar was the founding President and CEO of Signature BioSciences, Inc., a life science company developing technology for advanced research in genomics, proteomics and drug discovery. From January 1998 to December 1999, Dr. Kumar was an Entrepreneur in Residence with Oak Investment Partners, a venture capital firm. From October 1996 to January 1998, Dr. Kumar was a Senior Manager at Idexx Laboratories, Inc., a biotechnology company. From October 1993 to September 1996, he was Head of Research & Development for Idetek Corporation, which was later acquired by Idexx Laboratories, Inc. Dr. Kumar received his B.S. in Chemistry from OccidentalCollege. After joint studies at Stanford University and the California Institute of Technology, he received his Ph.D. from the California Institute of Technology in 1991. He also completed a post-doctoral fellowship at Harvard University from 1991 to 1993. Dr. Kumar is also a member of the board of directors of Ascent Solar Technologies, a publicly-held solar energy company and Tacere Therapeutics, a private biotechnology company.