College of Engineering News • Iowa State University

Mark Lashier receives Cyclone Engineering’s highest alumni honor, the Anson Marston Medal

Mark Lashier
Mark Lashier

Mark Lashier (’85, PhD ’89 chemical engineering) is president and CEO of Phillips 66, a diversified energy company. A chemical engineer, he has over 30 years of experience in various executive leadership roles within the energy and petrochemical industries.

Lashier served as chief operating officer of Phillips 66 from April 2021 through June 2022. Before that, he was president and CEO of Chevron Phillips Chemical Company LLC (CPChem), a joint venture between Phillips 66 and Chevron, from 2017 to 2021. He previously held several leadership positions at CPChem, including executive vice president of Olefins and Polyolefins; senior vice president of Specialties, Aromatics and Styrenics; vice president of Corporate Planning and Development; project director for Saudi Arabia; and regional manager in Asia.

Lashier began his career at Phillips Petroleum in 1989 as an associate research engineer. He holds 13 U.S. patents.

He serves on the boards of several industry groups and nonprofits, including American Fuel and Petrochemical Manufacturers, the Greater Houston Partnership, Iowa State University’s College of Engineering Industrial Advisory Council, Junior Achievement of Southeast Texas and the American Cancer Society’s CEOs Against Cancer. He also is a member of the Business Roundtable.

Lashier, and his wife, Laurie, have three children.

Lashier is a member of the Order of the Knoll President’s Circle. He has previously received the College of Engineering PACE alumni award.

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