Cynthia J. Warner is on the board of Chevron Corp., Sempra Energy and Sempra and Member-Visitors Board at Vanderbilt University, Member of The National Petroleum Council, Executive Vice President-Operations at Tesoro Cos., Inc. and Member of Center on Global Energy Policy.

In her past career Ms. Warner occupied the position of Chairman & Chief Executive Officer of Sapphire Energy, Inc., Group Vice President-Global Refining at BP Plc and Principal at BP Products North America, Inc. (a subsidiary of BP Plc), President, Chief Executive Officer & Director at Renewable Energy Group, Inc., Executive Vice President-Operations of Andeavor LLC and Principal at UOP LLC.

She received an undergraduate degree from Vanderbilt University and an MBA from Illinois Institute of Technology.