Peter L.S. Currie has been one of our directors since July 2005. Mr. Currie is President of Currie Capital LLC, a private investment firm. Previously he was a Managing Member of General Atlantic LLC, a worldwide private equity investment company where he continues to serve as special advisor. Before joining General Atlantic, Mr. Currie was a Partner and Co-Founder of The Barksdale Group, an early-stage venture capital firm. Mr. Currie also served as Executive Vice President and Chief Administrative Officer of Netscape Communications and Executive Vice President and Chief Financial Officer of McCaw Cellular Communications, Inc. Mr. Currie serves on the boards of CNET Networks, Inc., an interactive media company, Sun Microsystems, Inc., a company that provides products and services for network computing, and Clearwire Corporation, a provider of wireless high-speed Internet services. Mr. Currie has served as a member of the Twitter board of directors since November 2010. Since April 2004, Mr. Currie has served as President of Currie Capital LLC, a private investment firm. Mr. Currie previously served as Executive Vice President and Chief Administrative Officer of Netscape Communications Corporation, a software company, and as Executive Vice President and Chief Financial Officer of McCaw Cellular Communications, Inc., a wireless communications company. Mr. Currie currently serves on the boards of directors of Schlumberger Limited, a petroleum industry services company, and a number of privately held companies. Mr. Currie previously served on the boards of directors of Clearwire Corporation, CNET Networks, Inc., Safeco Corporation and Sun Microsystems, Inc. Mr. Currie currently serves as President of the board of trustees of Phillips Academy. Mr. Currie holds a B.A. in Economics and French Literature from Williams College and an M.B.A. from Stanford University.