Ms. Lynn L. Elsenhans was Chairwoman and CEO of Sunoco, Inc. and Sunoco Logistics Partners from 2008 to 2012, after a long career at Royal Dutch Shell that included roles as Executive Vice President of Global Manufacturing and President and CEO of Shell Oil Products US. She currently serves as an independent director of Saudi Arabian Oil Co. and previously of Baker Hughes, and holds a degree in applied mathematics from Rice University and an MBA from Harvard University.