David R. Helwig has been a member of the Board since August 30, 2007. He has served as President of Helwig Consulting Services, LLC, a general business consulting firm, since August 2007. He served as Chairman, Chief Executive Officer, Chief Operating Officer and President of InfraSource Services, Inc., an electric power, gas, and telecommunications services provider (InfraSource), from September 2003 until August 2007, as President and as Chief Operating Officer of InfraSource Incorporated, a transmission and distribution infrastructure services provider and predecessor to InfraSource, from April 2002 until September 2003, and as Executive Vice President of Commonwealth Edison, an electric utility, from October 2000 until April 2002. Mr. Helwig holds a Master of Science in Mechanical Engineering degree.