Presently, Lori J. Ryerkerk holds the position of Chairman, President & Chief Executive Officer of Celanese Corp. She is also on the board of Eaton Corp. Plc. In the past she occupied the position of Senior Vice President of Hess Corp. and Executive Vice President-Global Manufacturing at Royal Dutch Shell Plc and Executive Vice President-Global Manufacturing at Shell Downstream, Inc. (a subsidiary of Royal Dutch Shell Plc). Ms. Ryerkerk received an undergraduate degree from Iowa State University.