Richard Nottenburg has served as a director since February 2013, having previously served as a director of Verint from July 2011 to November 2011. Dr. Nottenburg, an investor in early stage technology companies and a business consultant, served as President and Chief Executive Officer and a member of the board of directors of Sonus Networks, Inc. from June 2008 through October 2010. From July 2004 until May 2008, Dr. Nottenburg was an officer with Motorola, Inc., ultimately serving as its Executive Vice President, Chief Strategy Officer and Chief Technology Officer. Dr. Nottenburg is currently a member of the boards of directors of PMC Sierra, Inc. (where he is also a member of the audit committee) and Aeroflex Corporation. He was a member of the board of directors of CTI from November 2006 to November 2011. The board of directors has concluded that Dr. Nottenburg's financial and business expertise, including his diversified background of managing technology companies, serving as a chief executive officer, and serving as a director of public technology companies, give him the qualifications and skills to serve as a director.