Beth Casteel has been a finance professional in the energy business since joining Exxon Co. USA in 1986 as an internal auditor in Houston. After several accounting assignments in support of refining, marketing, and oil and gas-producing activities in the U.S. she transferred to ExxonMobil Exploration Co. as financial reporting supervisor in 1998. In 2001, she moved to Exxon Mobil Corp. in Dallas as a financial advisor in the controller’s department. In 2004, she transferred to Bakersfield, Calif., after being appointed CFO of Aera Energy LLC, one of that state’s largest oil and gas producers jointly owned by affiliates of ExxonMobil and Shell. In 2007, she returned to Houston as Assistant Treasurer of ExxonMobil Chemical Company and was named to her current role in 2013.