As announced by Marathon Oil Corporation in a news release on Monday, August 22, 2016, John R. (J.R.) Sult leaves the post as chief financial officer at the energy company in a surprising move after almost three years on the job, effective immediately. Sult joined Marathon Oil in September 2013 after having previously served as a member of El Paso Corporation’s executive management team from 2005 until the company was acquired by Kinder Morgan, Inc. in 2012. While with El Paso, he served as executive vice president and CFO from 2010 to 2012 and senior vice president and CFO from 2009 until 2010. Prior to that, he served as senior vice president, chief accounting officer and controller from 2005 until 2009. Sult also served as senior vice president, CFO and controller of El Paso’s Pipeline Group from 2005 to 2009 and as CFO of the general partner of El Paso Pipeline Partners L.P. from 2007 to 2012. Prior to joining El Paso, he served as vice president and controller of Halliburton Energy Services from 2004 until 2005, where he was responsible for all aspects of finance and accounting for the company’s energy services business unit. Before joining Halliburton, Sult was an audit and business advisory partner with Arthur Andersen LLP where he gained more than 20 years of experience working with public and private companies in the energy industry. Sult earned a bachelor of science degree with special attainments in commerce from Washington & Lee University. He currently serves on the board of directors of Dynegy Inc. He is a member of Financial Executives International (FEI) and previously served on FEI’s committee on corporate reporting. He also serves as a member of the board of Boys and Girls Country of Houston, Inc.