Board of Directors

David Vieau is the president and CEO of A123 Systems. He brings more than 30 years of experience and leadership in developing rapid-growth technology and component businesses. Applying his expertise to A123 Systems, Mr. Vieau has led the company from its founding in 2001 to be the largest lithium ion battery maker in North America. Under Mr. Vieau's leadership, A123 has established itself as the world's leading provider of lithium ion battery technology for heavy-duty commercial vehicles and for grid-scale energy storage systems.

Prior to joining A123 Systems, Mr. Vieau held corporate officer positions at American Power Conversion [NASDAQ: APCC], serving as vice president of marketing and vice president of worldwide business development. During his nine years at American Power Conversion, Mr. Vieau helped grow the company from $50 million in revenue to $1.5 billion, making it the world leader in power protection for IT markets and employing 6,000 people globally.

Mr. Vieau earned a bachelor's degree in mechanical engineering from Syracuse University in 1972.

Gururaj "Desh" Deshpande is Chairman of A123 Systems, Tejas Networks and Sycamore Networks. Dr. Deshpande is an influential technology entrepreneur and visionary whose companies and ideas often reshape entire industries. Dr. Deshpande co-founded Sycamore Networks in 1998 with the vision of creating next-generation optical networking technology. Prior to co-founding Sycamore Networks, Dr. Deshpande was founder and chairman of Cascade Communications. Between 1991 and 1997, Cascade grew from a one-person startup to a company with $500 million in revenue and 900 employees. In June of 1997, Cascade was acquired by Ascend Communications for $3.7 billion. Dr. Deshpande serves as a member of the MIT Corporation, and his generous donations have made possible MIT's Deshpande Center for Technological Innovation.

Ionics, Inc.
Art Goldstein is the retired Chairman, President, and Chief Executive Officer of Ionics, Incorporated, a world-renowned business and technology pioneer in the field of water purification. During his 32 years as CEO, Art led Ionics in its growth from a small R&D company to its position as the world leader in water desalination, purification and supply with over 4000 installations in 62 countries and 3,000 employees. General Electric purchased Ionics in early 2005 for $1.3 billion.

Art is a member of the National Academy of Engineering. He is a trustee as well as the Treasurer and Chairman of the Finance Committee of Partners HealthCare System. He is a senior trustee at the California Institute of Technology, a trustee of the Massachusetts General Physicians Organization, an advisory council member of the Harvard Medical School-Partners HealthCare Center for Genetics and Genomics, and a member of the MIT Energy Initiative External Advisory Board. In addition, Art is a director of Cabot Corporation and A123 Systems, Inc. He previously served as director of State Street Corporation, director and Chairman of the Massachusetts High Technology Council, director of Jobs for Massachusetts, trustee of Dana-Farber/Partners Cancer Care, member of the Visiting Committees at the Harvard Business School and the Harvard School of Public Health, and as president of the Rensselaer Council.

Art is the holder of 18 U.S. patents in areas relating to the purification and processing of liquids. He received a BS in chemical engineering from Rensselaer Polytechnic Institute, an MS in chemical engineering from the University of Delaware, and an MBA from Harvard University.

Gary E. Haroian has spent more than 25 years helping to build technology companies. In his most recent position, Gary was appointed as interim CEO of Bowstreet Software, from November 2001 to October 2002. Prior to Bowstreet, Gary was CFO and SVP of finance and administration at Concord Communications, a network management software company. While with Concord, Gary led the company through a successful IPO in 1997. Prior to Concord, Gary spent 13 years at Stratus Computer where he served as its CFO, President and COO, and CEO. During that time, Stratus grew to $600 million in revenues as the worldwide leader in fault-tolerant computers from annual revenues of only $5 million when he joined the company in 1983 prior to their IPO. Gary passed the CPA exam and is a graduate of the University of Massachusetts Amherst with bachelor's degrees in Economics and Accounting (Magna Cum Laude).

Dr. Bart Riley brings more than 15 years of experience in technology development and commercialization in the advanced materials, portable power and superconductor industries to his role as CTO and vice president of research & development at A123 Systems.

Prior to co-founding A123 Systems, Dr. Riley held a number of key development and management positions over an 11-year career at American Superconductor. In his most recent role, he served as senior manager in corporate engineering where he led research for superconductor wire products. Dr. Riley holds more than 40 patents and has published more than 80 papers in the field of advanced materials. Dr. Riley has a Ph.D. and a master's degree in materials science and engineering from Cornell University and a bachelor's degree in physics and geology from Middlebury College.