Chevron Phillips Chemical reports management changes

Chevron Phillips Chemical Co. LLC reported several management appointments.

Rick Roberts, senior vice-president, manufacturing, will retire after 37 years with Chevron Phillips Chemical and Chevron, prompting changes that will take effect Dec. 1.

Dan Coombs, currently senior vice-president, specialties, aromatics, and styrenics, will become senior vice-president, manufacturing.

Ron Corn, currently vice-president, corporate planning and development, will become senior vice-president, specialties, aromatics, and styrenics.

Jim Telljohann, currently manager, global business development, will become vice-president, corporate planning and development.