Sonus Networks

As a veteran senior executive of the telecommunication industry, Brian has been instrumental in impacting the rise of competitive telecommunications both in the U.S. and abroad. Brian continues to head his own private equity investment and advisory firm, Universal Telecommunications, Inc, in Vienna, Virginia, focused on both start-up companies and consolidations taking place in the information/telecommunications industries. Brian currently serves as Chairman, Comsat International (CI), one of the largest independent telecommunications operators serving all of Latin America. He was previously Chairman and Chief Executive officer of Global TeleSystems Group, Inc. from March 1999 through September of 2000. He served as Chairman and CEO of LCI International, leading a turnaround of the company and developing it into one of the fastest growing telecommunications companies in the U.S. Subsequent to the merger of LCI with Qwest Communications International Inc. in June 1998, he became Vice Chairman of the Board for Qwest until his resignation. Brian was also the Executive Vice President of MCI Communications Corporation during its formative years as a long distance service company from 1981 to 1990 with responsibility for the company's eight operating divisions, including MCI International. He currently serves as a member of the board of directors of Bell Canada International Inc., ArrayComm, Inc., Axcelis Technologies, Inc., Sonus Technologies, and United Auto Group. Brian also serves as the U.S. co-chairman of the Global Information Infrastructure Commission, a multinational organization charting the role of the private sector in the developing global information and telecommunications infrastructure. Additionally, he is a member of the Irish Prime Minister's Ireland-America Economic Advisory Board.

Richard N. Nottenburg, Ph. D., is president and CEO and is responsible for the strategic direction and management at Sonus Networks. Prior to joining Sonus in June 2008, Nottenburg was executive vice president and chief strategy & technology officer at Motorola, responsible for shaping Motorola’s overall corporate strategy and technology agenda. Prior to joining Motorola, Nottenburg was vice president and general manager of Vitesse Semiconductor Corporation after its merger with Multilink Technology Corporation in 2003. From 1995 to 2003, Nottenburg served as president and chief executive officer of Multilink leading the company from inception to a successful initial public offering in 2001. From 1991 to 1998, Nottenburg was a tenured associate professor of electrical engineering at the University of Southern California. In 1984, Nottenburg joined AT&T Bell Laboratories where he co-invented what in 1988 was the world's fastest transistor. Nottenburg has authored more than 50 publications and presentations and holds eight U.S. patents. He has earned three degrees in electrical engineering – a doctorate from the Ecole Polytechnique Federale de Lausanne in Lausanne, Switzerland, a master's from Colorado State University and a bachelor's from Polytechnic Institute of New York.

Bradley T. Miller joined AspenTech as Senior Vice President and Chief Financial Officer in September 2006, bringing over 20 years of financial management and executive leadership experience. Miller is responsible for the Company's global financial operations and oversees all treasury, investor, and information technology functions. Miller brings an extensive public company background which includes building financial systems which are scalable on a global basis. In his most recent role, Miller was CFO at Viisage Technology, a publicly traded identity solutions hardware and software company, where he successfully managed a $100 million private equity investment and the merger with Identix and L-1 Identity Solutions. Prior to joining Viisage, Miller served as vice president, finance and corporate controller of Sonus Networks where he successfully steered the company through a period of substantial change in its global financial operations. Miller also held executive financial management roles at Sapient, Juniornet and Wang Global. He previously was a member of the audit practice with Coopers and Lybrand where he earned his C. P. A. license. Miller is a graduate of the College of William and Mary, and holds an MBA from the University of New Hampshire.

As vice president of Product operations, Gale England is responsible for global Product Operations, including Product Testing Operations, Corporate Quality, Corporate Operations (consisting of Engineering Program Management/Business Systems), Supply Chain Management, Order Fulfillment and Execution, Distribution and Logistics, Technical Operations, and Worldwide Procurement. In this role, he is focused on streamlining the Company's operational business model and increasing cost efficiency across the organization. Prior to joining Sonus, Gale was the CEO and President of Numetrix Inc., a San Francisco based Software Applications Company, as well as, General Manager and VP of Engineering Development at VillaMontage Systems (a Broadband Access Solution funded by Convergence Partners). He has also held senior management positions at Digital Equipment Corp., Wellfleet Communications, Inc., Bay Networks, and Nortel Networks, Inc. Gale holds a Bachelor of Science degree from California State University, a certification in professional technical management from Worcester Polytechnic Institute and in professional engineering management from Boston University. Gale has been a consultant on corporate transformations for the Graduate School of Engineering Management at Stanford University for the past several years.

As vice president of global services, Matt Dillon oversees all customer service functions, including TAC and field support, as well as the network design, performance analysis, technical publications and technical training teams. Mr. Dillon has over twenty-six years of customer service leadership experience. Prior to joining Sonus in 2001, he was a founding member of Boston Technology (later purchased by Comverse) which created the de-facto standard in scalable central office based voicemail platforms for Bell Atlantic. Initially responsible for alpha product platform design, deployment and support, Matt's role evolved into support initiatives for the expanding customer base of RBOC and Global Service providers across the US, EMEA and Asia-Pacific. Matt started his communications career at Fisk Telephone (later purchased by Centel) as a field engineer and over the years held a variety of positions, including contracts manager, branch service manager and regional operations director.

Mohammed Shanableh has been working for and teamed with some of the elite telecommunications industry leaders today. Almost exclusively, his talents and efforts have been concentrated on edge technology with a primary focus on voice architecture development and applications. His responsibilities have included sales, construction and development of R&D divisions that have pioneered the way for delivery of voice services over Packet Networks and has held various leadership roles of support test teams accountable for software and hardware deliveries. Mr. Shanableh currently is responsible for Worldwide Sales and Sales Engineering for carrier customers for Sonus Networks. Prior to Sonus, He was responsible for setting the Customer Carrier Strategy for Telica, who has since been acquired by Lucent Technologies. Mohammed Also co-founded Valiant Networks. Mr. Shanableh was responsible for working with carriers and vendors in building the next generation voice and signaling networks. Mr. Shanableh had the responsibility for the OSS Integration/Voice R&D division at Williams Network Services. Prior to joining Williams’, Mr. Shanableh held executive positions with TeleHub Technologies Corporation, WorldCom and WilTel in various engineering leadership roles concentrating on many dynamic voice/data applications. Mr. Shanableh has completed both his Bachelor and Masters of Science in Electrical Engineering at the University of Kansas.

Shailin Sehgal is vice president of product marketing & product management at Sonus Networks Inc. He is responsible for the strategy behind product delivery and product marketing to Sonus’ global markets. In addition, Shailin leads corporate marketing, aligning all go to market strategies for Sonus solutions worldwide. Shailin brings over 19 years of experience in telecommunications product development, network planning and product management to this role, and strong expertise in addressing international markets. Prior to returning to Sonus at their headquarters in Westford, MA, Shailin was the founding managing director at Sonus Networks R&D center in Bangalore, India. Before moving to India, Shailin was director of Access Product Management at Sonus Networks in the US. Prior to joining Sonus, Shailin held several key management positions at MCI (Verizon Business); from 1994 – 2000 he was the manager of the Advanced Network Architecture group and was awarded 3 patents. Shailin started his career in telecom industry in 1990 with Bell Northern Research (Nortel Networks). Shailin holds a Masters Degree in Computer Science from the University of Texas at Dallas, USA and a Bachelor Degree in Electronics Engineering from Nagpur University, India.

Ward has over 20 years experience in the telecommunications industry and a successful history of developing strategic relationships with key network service providers, systems integrators and channel partners. Prior to joining Sonus, Ward acted as vice president, Europe at Sylantro Systems where he was responsible for building relationships with major vendors such as Alcatel, Siemens and IBM. Previous to Sylantro, Ward was also managing director at LongBoard Ltd, a developer of carrier voice applications, where he was responsible for building relationships with network service providers and setting up the EMEA channel.

John P. Cunningham has an extensive history in executive leadership roles throughout his 28-year tenure at IBM, followed by a distinguished career as chief financial officer at a number of leading companies including the Maytag Corporation, Whirlpool Corporation, Wang Global, and most recently, Citrix Systems. n addition to Sonus, Cunningham presently serves on the Board of privately held Smart Disk Corporation and has previously held positions on the Boards of Directors of MSL Corporation, Baltimore Technologies, Pinnacle Bank of Michigan and Manhattanville College.

James K. Brewington, Director. Mr. Brewington is President of Developing Markets at Lucent Technologies. Prior to heading Lucent's Developing Markets group, Mr. Brewington served as president of the company's Mobility Solutions Group, where he was responsible for all wireless infrastructure for the mobility segment, including global wireless development and product architecture, project management, and business and product management. He began his career at AT&T in 1968, and over the ensuing 38 years he has held various executive management positions in the telecommunications industry, including overseeing Bell Telephone Wireless Laboratories.

Mr. Schubert retired from TransUnion LLC in December 2008, having served as chief financial officer for three years. Mr. Schubert joined TransUnion from NTL Inc. (now Virgin Media, Inc.), where he had served as executive vice president of Corporate Development and had been its chief financial officer since 2003. Prior to NTL Inc., Mr. Schubert held the position of chief financial officer at WilTel/Williams Communications from 1999 to 2003, and prior to that served as head of BP Amoco's Global Financial Services, leading the initial integration of BP and Amoco's worldwide financial operations following the merger of those two companies. Mr. Schubert is a graduate of the Krannert School of Business at Purdue University, where he completed his MBA degree in Finance and Economics in 1976. He also earned his Bachelor of Science degree at Purdue in 1975, with dual majors in Engineering and Accounting.