Noble Energy Inc. President David L. Stover has been elected CEO by the board of directors. He succeeds Chuck Davidson, who is retiring in May. Stover has served as Noble's COO since 2006 and became president in 2009. Before joining Noble, Stover was BP plc's vice president and business unit leader for the Gulf of Mexico Shelf from September 2000 to August 2002, and previously had been employed by Vastar Resources Inc. Davidson joined Noble in October 2000 after serving as chairman, president and CEO of Vastar. Davidson is to continue as chairman until the annual meeting in 2015, at which time Stover is to be named chairman. Susan M. Cunningham also has been elected executive vice president (EVP) for global exploration, new ventures, frontier, environmental, health, safety, regulatory and business innovation activities. In addition, Gary W. Willingham has been elected EVP for global production, drilling, major projects and supply chain activities.