Gregory C. Walker — Chief Financial Officer and Vice President of Finance at PDF Solutions

Mr. Gregory C. Walker, also known as Greg, has been the Chief Financial Officer and Vice President of Finance at PDF Solutions Inc. since November 10, 2011. Mr. Walker served as an Executive Officer of PDF Solutions Inc. Mr. Walker served as the Chief Financial Officer of InnoPath Software, Inc. since August 14, 2007 and served as its Senior Vice President. Mr. Walker served as the Chief Financial Officer of Magma Design Automation Inc. from August 2002 to April 27, 2006 and its Senior Vice President of Finance and Administration from August 2002 to April 27, 2006 and also served as Principal Accounting Officer. From April 1999 to April 2002, he served as Chief Financial Officer and as interim Chief Executive Officer, for Accrue Software, Inc. From October 1997 to March 1999, he served as Chief Financial Officer of Duet Technologies, Inc. From January 1997 through September 1997, Mr. Walker served as Chief Financial Officer of NeTpower, Inc. He held various financial roles at technology companies, including Synopsys, Integrated Device Technology, International Business Machines Corporation and Xerox Corporation. From December 1990 to January 1997, he served as Treasurer, Vice President of Finance and acting Chief Financial Officer at Synopsys, Inc. Prior to working at Synopsys, Mr. Walker held various positions in financial operations at Xerox Corporation and IBM Corporation. He received an M.B.A. from the University of Rochester in Rochester, New York and a B.A. in economics and history from Union College in Schenectady, New York.