DAVID L. STOVER, SPE, was promoted to chief executive officer at Noble Energy. Stover has more than 30 years of oil and gas industry experience. Before 2009, when he assumed his role as president and COO of the company, he served for 3 years as executive vice president and COO. Stover previously served for 2 years as Noble Energy’s senior vice president of North America, after working as the company’s vice president of business development from December 2002 to July 2004. Before joining Noble Energy, he was BP’s vice president and business unit leader for the Gulf of Mexico Shelf. He holds a BS degree in petroleum and natural gas engineering from Pennsylvania State University.