People: MEMC Electronic Materials Inc (WFR)

Mr. David A. Ranhoff is Senior Vice President - Sales & Marketing of MEMC Electronic Materials Inc. Mr. Ranhoff joined MEMC as a result of the acquisition of Solaicx in July 2010, where he was the former President and Chief Executive Officer. Mr. Ranhoff worked at Solaicx from May 2009 to July 2010. Prior to Solaicx, Mr. Ranhoff served as an Advisor and member of the board of directors of Spirox Corporation, a publicly traded semiconductor capital equipment, solar and services provider based in Taiwan from January 2007 to April 2009. Prior to that role, Mr. Ranhoff worked for 20 years at Credence Systems, provider of automatic test equipment for the semiconductor industry, including as Chief Operating Officer and most recently as Chief Executive Officer.