Magnum Hunter Resources Corp. has promoted Chris Benton to vice president of finance and capital markets. Cham King was also promoted to assistant vice president of investor relations. The promotions were made effective on Jan. 7. Benton previously served Magnum as its assistant vice president of finance and capital markets and managed the investor relations function and capital market activities at the company. He joined MHR in January 2013. King joined MHR in July 2012, where he previously worked as a financial analyst in the finance department.