Dr. Nottenburg is Executive Chairman of NxBeam Inc., which designs and builds leading proprietary mmWave ICs and radio products to power the next generation of satellite and terrestrial communication networks. Dr. Nottenburg is on the board of directors of Verint Systems Inc. (NASDAQ: VRNT), a customer engagement company. He serves as chairman of the compensation committee of the company. He is also a member of the board of Sequans Communications S.A. (NYSE: SQNS), a leading developer and provider of 5G and 4G chips and modules for massive, broadband and critical IoT applications where he serves on both the audit and compensation committees. Previously, Dr. Nottenburg served as President and Chief Executive Officer and a member of the board of directors of Sonus Networks, Inc. from 2008 through 2010. From 2004 until 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 holds a BSEE from New York University - Polytechnic School of Engineering, a master s degree in electrical engineering from Colorado State University, and a PhD in electrical engineering from Ecole Polytechnique F d rale de Lausanne. We believe Dr. Nottenburg is qualified to serve on our Board because of his industry expertise and board experience at publicly traded companies.