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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.

  Posts

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December 12th, 2023

Mya O’Connell: Outstanding senior in chemical engineering

Hometown  Manly, Iowa  Clubs and activities  I work as a Resident Assistant and as a Peer Mentor. In the past, […]

November 16th, 2023

AIChE student chapter again records successes at annual meeting – including another Outstanding Student Chapter honor

The Outstanding Student Chapter award is presented at the meeting. Shown is AIChE student chapter representative Hailey Bates (center), ISU […]

October 27th, 2023

Brittany Hartwell named 2023 Cyclone Engineering Young Alumni Award winner

Brittany Hartwell (’11 chemical engineering) is a biomedical engineer advancing therapies and vaccines for illnesses affecting millions worldwide. As an […]

October 6th, 2023

Shao and Bardhan: Two faculty members in Chemical and Biological Engineering will see research advances with new appointments to professorships

Zengyi Shao, Hershel B. Whitney Professor, Global Initiatives Department of Chemical and Biological Engineering (CBE) associate professor Zengyi Shao (left, […]

October 3rd, 2023

Luke Roling named Jack R. and Carol A. Johnson Faculty Fellow

Luke Roling’s computational research work in the Department of Chemical and Biological Engineering (CBE) has received the support of the […]

September 7th, 2023

Honoring excellence: Cyclone Engineering faculty and staff award winners, named faculty positions and new patents

College of Engineering faculty and staff awards Early Achievement in Academic Advising: Holly Dunlay-Lott, student services specialist in materials science and […]

August 9th, 2023

Yue Wu named to collaboration role with Office of Vice President for Research

Tuteja and Wu to Serve in New Collaboration and Mentorship Roles Posted Aug 7, 2023 The Office of the Vice […]

August 9th, 2023

Iowa State researchers receive 2023 Barry Award to investigate cellular structure of pancreatic cancer tumors, improve treatment outcomes

Iowa State Researchers Receive 2023 Barry Award to Investigate Cellular Structure of Pancreatic Cancer Tumors, Improve Treatment Outcomes Caitlin Ware, […]

August 7th, 2023

Building green fertilizer system to reuse waste and cut greenhouse gas emissions

Vignesh Kumar Thoomatti Haridass, a postdoctoral research associate working with Iowa State’s Liang Dong, installs soil and stalk nitrate sensors […]

June 15th, 2023

Nigel Reuel named Stanley Chair in Interdisciplinary Engineering

Department of Chemical and Biological Engineering (CBE) associate professor Nigel Reuel has been named the Stanley Chair in Interdisciplinary Engineering. […]