Americas Styrenics (Houston, Texas / USA; www.amstyrenics.com), a 50:50 joint venture between Chevron Phillips Chemical (Houston, Texas / USA; www.cpchem.com) and Styron (Berwin, Pennsylvania / USA; www.styron.com), has appointed Bradley Crocker as CEO, effective 30 January 2012. Crocker served most recently as COO of Lawter (Chicago, Illinois / USA; www.lawter.com), the former inks and adhesives business of Momentive Specialty Chemicals (Colombus, Ohio / USA; www.momentive.com).