By OGJ editors
HOUSTON, June 9 -- LyondellBasell named Tim Roberts as senior vice-president, olefins and polyolefins, Americas region. He will be based in Houston.
Most recently, Roberts served as vice-president, planning and development, for Chevron Phillips Chemical.
Before this, he served as president and chief executive officer of Americas Styrenics LLC, a joint venture of Dow Chemical Co. and Chevron Phillips Chemical.