Mark Lashier
Mark Lashier

Department of Chemical and Biological Engineering (CBE) alumnus Mark Lashier has been named president and chief operating officer of Phillips 66 effective April 1, 2021. He has served as president and chief executive officer of Chevron Phillips Chemical Company LP since August, 2017.

Lashier received his B.S. and Ph.D. in chemical engineering from Iowa State University in 1985 and 1989, respectively. He serves on the Iowa State University College of Engineering Industrial Advisory Council and has also served on CBE’s Advisory Council.

“Mark is the right leader at the right time to join Phillips 66,” said 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.” Phillips 66 owns 50% interest in Chevron Phillips Chemical Company.

Phillips 66 logoThe latest promotion for Lashier comes after a long history with Chevron Phillips and Phillips 66. At the onset of the Chevron Phillips Chemical joint venture in 2000, Lashier was named Asia region general manager, located in Singapore. Additionally, he served as managing director for Chevron Phillips Singapore Chemicals and vice chairman of Shanghai Golden Phillips. In 2005, he became project director, Saudi Arabia, planning and strategic transactions. In 2008, he became president of Saudi Polymers Company, LLC. Lashier started his career at Phillips in 1989 as an associate research engineer in Phillips’ chemicals group of research and development. In 1994, he became a senior production engineer at the Sweeny Petrochemical Complex in Old Ocean, Texas, and in 1996, he served as commercial development specialist in natural gas, chemicals and plastics in Bartlesville, Oklahoma. Then in 1997, he was named olefins manager in chemicals and plastics.

He holds 13 U.S. patents and has authored several technical papers.

James L. and Katherine S. Melsa Dean of Engineering W. Samuel Easterling said, “On behalf of the Iowa State University College of Engineering, I want to extend my heartfelt congratulations to Mark Lashier on his continued success, and our thanks for his service on our Industrial Advisory Council. We are indeed proud of the many accomplishments of our graduates, and Mark’s appointment as president and COO of Phillips 66 is a shining example.”

Lashier will have responsibility for operational execution across all of Phillips 66 businesses — which include refining, midstream, and marketing & specialties — and also for the company’s health, safety and environmental efforts. He will be based in Houston, Texas.


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