Kari-Pekka Wilska

Mr. Wilska has served as a member of our board of directors since November 2005. Since November 2005, Mr. Wilska has been a venture partner in Austin Ventures, a venture capital fund that focuses on investing in Texas. Mr. Wilska served in a variety of leadership positions in Nokia's U.S. mobile phone operations from 1993 to 2004, including as president of Nokia, Inc. (Nokia Americas) from 1999 to December 2004 and as president of Vertu Ltd., a subsidiary of Nokia, Inc. From November 2004 until December 2005, Mr. Wilska served as a director of Zarlink Semiconductor Inc., and from December 2005 until it was merged with LSI Corporation, Mr. Wilska served as a director of Agere Systems, a global leader in semiconductors and software solutions for storage, mobility and networking markets. From June 2004 until its merger with American Tower Corporation in August 2005, Mr. Wilska served as a director of SpectraSite, Inc. Mr. Wilska serves on the boards of Pulsewave RF Inc. Mavenir Systems Inc., Paragon Wireless Inc., 724 Solutions, Inc. and BlackSand Technologies.