QUANTA SERVICES INC, QUANTA SERVICES MANAGEMENT ...

Past Company Affiliations
Director, Cherokee International Corporation
Director, InfraSource Services, Inc.
Biography
J. Michal Conaway has been a member of the Board of Directors since August 30, 2007. He has
served as the Chief Executive Officer of Peregrine Group, LLC, an executive consulting firm,
since 2002. Mr. Conaway has been providing consulting and advisory services since 2000. Prior
to 2000, Mr. Conaway held various management and executive positions, including serving as
Chief Financial Officer of Fluor Corporation, an engineering, procurement, construction and
maintenance services provider. He serves as a director of GT Solar International, Inc. as well as
a director of privately held Elgin National Industries, Inc. and Enterra Holdings Ltd. He
previously served as a director of InfraSource Services, Inc. and Cherokee International
Corporation. Mr. Conaway holds an M.B.A. degree and is a Certified Public Accountant. The
Board believes Mr. Conaways qualifications to serve on the Board include his prior service as
the chief financial officer of multiple public corporations, including those within Quantas line of
business, his years of service on boards of other public and private companies, as well as his
extensive financial and accounting expertise.
Source : Proxy, April 19, 2010
Ralph R. DiSibio, Age 70
Current Company Titles
Unknown - Present : Director
Past Company Affiliations
President, Westinghouse Government Services Company LLC
EVP; President and CEO, Washington Government Energy, Washington Division of URS Corporation
Biography
Ralph R. DiSibio has been a member of the Board of Directors since May 2006. He has been a
senior consultant to Washington Group International, Inc., an integrated engineering,
construction and management services provider, since April 2004. He served as President of
Energy & Environment Business Unit, an engineering, construction and environmental services
operating unit of Washington Group International, Inc., from November 2001 until April 2004,
and Executive Vice President Business Development of Washington Group Power, a power
generation engineering, design and construction services operating unit of Washington Group
International, Inc., from March 2001 until November 2001. Mr. DiSibio holds a Doctor of
Education in Administration degree. The Board believes Mr. DiSibios qualifications to serve on
the Board include his prior executive management experience, including at companies within
Quantas line of business, as well as his extensive operational and risk management experience
in the power industry.
Source : Proxy, April 19, 2010
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