Dave Hager is president and chief executive officer of Devon Energy Corporation, one of the nation’s largest independent oil and natural gas producers. He also serves on Devon’s board of directors. Hager previously served on the board from 2007 until 2009, when he joined the company as executive vice president of exploration and production. He later served as chief operating officer before being elected by the board to his current position in August of 2015. Hager started in the gas and oil business as a geophysicist with Mobil Corp. and then joined Sun E&P in 1981. When Sun spun off its refinery operations in 1988, Hager remained with the E&P company, which was renamed Oryx Energy. He later worked in its new-ventures group, managing new projects around the world. Hager then managed deepwater projects, including the team that pioneered the world’s first production spar, a floating production facility that paved the way for deepwater developments. Oryx merged with Kerr-McGee in 1999. While at Kerr-McGee, Hager managed the company’s worldwide deepwater exploration and production operations and took over all exploration and production operations in 2003. He later served as the company’s chief operating officer until Kerr-McGee was acquired by Anadarko Corp. in 2006. Hager serves on the board of directors of the American Petroleum Institute and the American Exploration & Production Council, as well as EnLink Midstream Partners and EnLink Midstream LLC. He also serves on the boards of the Greater Oklahoma City Chamber of Commerce, the Oklahoma City National Memorial, the YMCA of Greater Oklahoma City and United Way of Central Oklahoma.