Chevron Phillips Chemical Company LLC last Thursday announced a number of senior management changes, effective August 1, 2015.

Mark Lashier, currently Executive Vice President, Olefins & Polyolefins, will become Executive Vice President, Commercial. In his new role, Lashier will serve as the lead commercial executive for all product lines in Chevron Phillips Chemical’s portfolio.

Ron Corn, currently Senior Vice President, Specialties, Aromatics & Styrenics, will become Senior Vice President, Projects & Supply Chain. Corn will be responsible for the Projects organization, including the safe and successful execution of the company’s USGC Petrochemicals Project, and the formation of an integrated supply chain organization serving all customers and product lines in the Chevron Phillips Chemical portfolio.

Scott Sharp, currently Senior Vice President, Projects, will become Senior Vice President, Manufacturing, with functional responsibility for all of the company’s global manufacturing operations.

Lashier, Corn and Sharp will report to Peter L. Cella, President and CEO.

Dave Smith, currently Vice President, Olefins & NGL, will become Senior Vice President, Petrochemicals, with responsibility for the olefins, NGL and aromatics product lines.

Dave Morgan, currently Vice President, Polyethylene, will become Senior Vice President, Polymers, with responsibility for all resins as well as the Performance Pipe division.

Mitch Eichelberger, currently General Manager, Normal Alpha Olefins and Polyalphaolefins, will become Vice President, Specialties, with responsibility for normal alpha olefins, polyalphaolefins, specialty chemicals, and drilling specialties product lines.

Smith, Morgan and Eichelberger will report to Lashier.

“At Chevron Phillips Chemical, we remain committed to providing industry-leading customer service, manufacturing high quality products and adding value to our stakeholders,” said Peter Cella, President and CEO. “This realignment of our commercial organization, integration of all of our supply chain activities with our projects organizations, and other strategic management appointments position us to deliver on those commitments.”