Phillips 66 names Mark Lashier as president, COO

March 24, 2021 By    

Phillips 66 hired Mark Lashier, president and CEO of Chevron Phillips Chemical Co. LLC, as its president and COO, effective April 1.

“Mark is the right leader at the right time to join Phillips 66,” says Greg Garland, chairman and CEO of Phillips 66. “He assumes his new role at a time when we are operationally and financially strong, yet navigating a dynamic and challenging external environment.”

Lashier, who has over 30 years of energy industry experience, has served as CPChem’s CEO since 2017. He joined the global petrochemical joint venture, in which Phillips 66 owns a 50 percent interest, in 2000. At CPChem, he has served as executive vice president of olefins and polyolefins; senior vice president of specialties, aromatics and styrenics; vice president of corporate planning and development; and regional manager of Asia. He began his career with Phillips Petroleum Co. as a research engineer.

Reporting to Garland, Lashier will have responsibility for operational execution across all Phillips 66 businesses, which include refining, midstream, and marketing and specialties — and also for the company’s health, safety and environmental efforts. With Lashier’s addition to the Phillips 66 leadership team, Garland will further focus on the company’s strategic direction, disciplined capital allocation and engagement with key stakeholders on issues facing the energy industry.

“Mark is a trusted leader with a demonstrated track record of delivering growth, driving excellence in both operations and sustainable business practices,” says Garland. “He possesses the right combination of values, skills and experience that makes him a clear choice to be our president and COO.”

Lashier serves on a number of professional boards, including American Fuel and Petrochemical Manufacturers, American Chemistry Council, Iowa State University’s College of Engineering Industrial Advisory Council and the Alliance to End Plastic Waste. In addition, he serves on several community boards, including Junior Achievement of Southeast Texas and the American Cancer Society’s CEOs Against Cancer.

Lashier, who received a bachelor’s degree in science and a doctorate in chemical engineering from Iowa State University, holds 13 patents in the U.S. He will be based at the Phillips 66 headquarters in Houston.

Featured image: arthobbit/iStock/Getty Images

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About the Author:

Brian Richesson is the editor in chief of LP Gas Magazine. Contact him at or 216-706-3748.

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