Engineering Experts

Cynthia Warner

Executive Vice President,
United States of America


Cynthia (CJ) Warner is Executive Vice President, Operations for Andeavor. She oversees Andeavor’s Refining; Logistics; and Environment, Health, Safety & Security groups, providing leadership that promotes safe, compliant, reliable execution and drives operating efficiency and effectiveness. Prior to her current role, Ms. Warner served as Andeavor’s Executive Vice President, Strategy and Business Development, where she led the Company’s strategic growth initiatives. She joined the Company in 2014, bringing more than 30 years of experience in energy, oil refining and marketing, and related technology development.  Prior to Andeavor, Ms. Warner held executive leadership roles at several global energy companies. Most recently, she was Chairman and CEO of Sapphire Energy from 2012 to 2014, after joining as President in 2009, where she led the emerging biofuels company’s ongoing technology development and transition to commercial-scale algae bio mass and renewable crude oil production.  Prior to Sapphire Energy, Ms. Warner served as Group Vice President of Global Refining and Group Vice President of Health, Safety, Security, Environmental and Technology for British Petroleum (BP). During her 10-year tenure, she oversaw refining operations in five continents and led a ground-breaking cooperative effort with the U.S. Environmental Protection Agency to shape an industry-wide framework for clean air improvements.  Ms. Warner began her career as a chemical engineer at UOP, followed by several years in operational leadership roles at Amoco. She is a featured leader in the 2008 book Becoming a Resonant Leader: Develop Your Emotional Intelligence (Harvard Business Press) and was named one of Fast Company’s 100 most creative people in business in 2010.  In addition to Andeavor, Ms. Warner serves as a member of the Board of Directors for IDEX Corporation. She is also a member of the National Petroleum Council and the Board of Visitors of the Vanderbilt University School of Engineering.  Ms. Warner earned a Bachelor of Engineering degree in Chemical Engineering from Vanderbilt University and a Master of Business Administration degree from Illinois Institute of Technology.

Research Interest

Strategy and Business Development\   marketing, and related technology development. 

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