CSG: BOARD OF DIRECTORS

CSG attracts some of most influential, creative and dynamic thought leaders in public policy, technology, renewable energy and environmental and legal affairs.

Following is a summary of the firm’s board of directors, in alphabetical order:

Brian Castelli

A member of the board since 2006, Castelli is executive vice president for programs and development of the
Alliance to Save Energy. Throughout his career, Castelli has held several high level positions in the energy and environmental fields. These include federal energy liaison for the California Energy Commission, a presidential appointment as chief of staff to the U.S. DOE’s assistant secretary for energy efficiency and renewable energy, and an appointment by the Governor of Pennsylvania to lead the state energy office. He also worked for the Federal Energy Administration. Castelli is a graduate of the University of Pennsylvania and The Wharton School.

Stephen Cowell

Cowell founded CSG in 1984 and is chairman and CEO. Throughout his career, he has been instrumental in
developing national and regional policy initiatives and has been involved in numerous award-winning
conservation and renewable energy programs around the country. Cowell has helped build the industry
through sound public policy, legislation, development of cost-effective programs and establishing trade ally
networks. Among his many achievements, Cowell has successfully advocated for energy efficiency as an
electric supply option. He also founded the country’s first “solar” electric utility, Sun Power Electric. In 2009,
he was inducted into the New England Clean Energy Council’s Clean Energy Hall of Fame and in 2006,
Cowell received a “Leadership in Energy Efficiency” award for his work with the New England Energy
Efficiency Council. Under Cowell’s stewardship, CSG has grown into a $100 million organization with more
than 600 employees and over 20 offices around the country. Cowell holds a degree from Brown University
and completed graduate work at Boston University.

Mark Dyen

Dyen has been a member of CSG’s board since 1984 and joined the company in 1990. As Executive Vice
President of Strategy & Products, he is responsible for developing and disseminating product best practices and management of strategic business development. He oversees leadership of groups focused on program design, research and development, market research, and internal standards for existing product lines: residential retrofit and new construction, heating, ventilation and air conditioning programs, marketing services, software sales and support, technical training, appliance recycling, and new and national products. Throughout his tenure at CSG, he has designed and implemented award-winning programs for some of the region’s largest utilities, public agencies and housing authorities. Dyen holds an undergraduate degree from Harvard College and a master’s from York University.

Mark Farber

Farber became a member of the board in 2007. Currently at Photon Consulting, a solar energy research
and advisory firm, Farber was co-founder and CEO of Evergreen Solar, a leading manufacturer of solar
power products worldwide. Farber has also served in leadership positions of several state and national solar
trade associations. Farber holds degrees from Cornell University and the Sloan School of Management at MIT.

Steve Gag

Gag was named to CSG’s board in 2003. He is co-founder and Chief Operating Officer of the Boston Global
Bridge Institute, a start-up organization that is working with higher education institutions, corporations and
cultural organizations to increase Boston's status as an international leader for science and technology
research and intellectual thought to address global challenges. As Boston Mayor Thomas M. Menino’s
Technical Advisor, he designed and implemented the City’s $175 million school technology plan to create
access, technical training, educational content and computer support for thousands of teachers, administrators and families. Gag also directed the Mayor’s Boston Digital Bridge Foundation providing technology training and computer systems for thousands of low-income families through its “Technology Goes Home” program. Gag earned a B.A. from Northeastern Illinois University and an MBA from Boston University.

Mary Beth Gentleman, Esq.

Gentleman has been a member of the board since 2006. She is a partner with Foley Hoag LLP in Boston.
Gentleman provides strategic regulatory and market advice to energy technology, renewable energy projects
and efficiency companies as co-chair of the firm's Energy Technology and Renewables Practice. She also
provides regulatory and environmental compliance advice to major generating companies. Prior to joining
Foley Hoag, she served as Assistant Secretary of Energy in Massachusetts for six years. Currently, Gentleman
serves as Vice President for Administration of the Northeast Energy and Commerce Association and General
Counsel of the New England Energy Alliance. She holds degrees from the College of New Rochelle, the
University of Massachusetts, and Suffolk University Law School.

Charles Knight

Knight joined the board in 2003. He brings extensive experience in public policy research and national security
issues to CSG. Currently, he is a co-director of the Project on Defense Alternatives at the Commonwealth
Institute (CI), an independent public policy research center in Cambridge, Mass. Prior to his work at CI,
Knight was a senior fellow at the Institute for Defense and Disarmament Studies and publisher of Working
Papers magazine.

Harvey G. Michaels

Harvey G. Michaels has been a leader in developing consumer-centric approaches to enabling energy
efficiency and demand response for 30 years. In 2008 he joined not only CSG’s Board of Directors but
also the Massachusetts Institute of Technology, as energy efficiency research director and lecturer. Prior to
his work at M.I.T., Michaels developed two companies supporting utility deployment strategies for energy
efficiency and demand response. He was founder and CEO of Nexus Energy from 1997 to 2007 where he
built utility Web sites to help consumers and businesses reduce their energy costs, as well as developing
smart grid meter data management systems. Before that he was president of XENERGY where he developed
policy consulting, software, integrated resource planning, and DSM evaluation. Michaels holds B.S degrees
in civil engineering and urban studies, as well as a master’s degree in city planning from M.I.T.

Brad Steele

Steele has served on the board of directors since 1990. He is president of Energy Federation Inc. (EFI) a distributor of water and energy conservation products that he co-founded in 1982. Under Steele’s leadership, EFI has grown from a one-employee firm with sales of $250,000, to a 140-person company with annual sales of $30 million. EFI also processes incentives for more than three dozen utility and energy efficiency providers
across the country, issuing payments of $120 million annually on behalf of clients. In the 1980’s, Steele
served as executive director of the People’s Energy Resources Cooperative, a non profit energy group that
merged with two other non-profits to create CSG. He is involved with the Northeast Energy Efficiency
Partnership’s appliance and lighting programs and has been instrumental in helping shape policy guidelines.
Steele graduated Phi Beta Kappa from Harvard University.

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