Emerald Kalama Chemical, a business group of Emerald Performance Materials, recently announced it has appointed Kaye Linkenhoger as sales manager, North America.
BYK-Chemie GmbH recently announced that Stephan Glander, Ph.D., has been appointed to the position of managing director and worldwide president of BYK Additives & Instruments.
Celanese Corp. recently announced the appointment of Pat Quarles as executive vice president and president for Acetyl Chain and Integrated Supply Chain.