Mark R. Sudbey

Chief Executive Officer

Mark Sudbey is the Chief Executive Officer of EasternGen and its predecessor US PowerGen since 2006. Before joining USPowerGen he was the President – New York and Southeast Regions within Reliant Energy Wholesale Group, a position he held since June of 2003. He was responsible for all of Reliant Energy’s activities in these regions. Mark joined Reliant in February of 2002, where he served as Vice President of East Region Origination for the Wholesale group.

Mr. Sudbey came to Reliant as a result of the Reliant merger with Orion Power Holdings in 2002. While at Orion he served as Vice President of Energy Management and was responsible for trading operations, origination, and all commercial aspects of power sales and plant commercial operations. Prior to joining Orion he worked at PG&E NEG where he was responsible for setting up the generation trading function to incorporate power plant bidding and asset operations functions into their trading operations.

Before joining PG&E, Mr. Sudbey spent 10 years with New England Electric System (now National Grid) in various managerial positions, across a broad spectrum of business disciplines.

He holds a BS degree in engineering from the University of Massachusetts.