DALLAS--(BUSINESS WIRE)--Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today announced that Timothy Go has been elected to the company’s Board of Directors. Mr. Go, 57, is President, Chief Executive Officer, and a member of the Board of Directors of HF Sinclair Corporation. He will begin his Board service effective immediately, bringing the total number of Board members to twelve (eleven of which are independent). HF Sinclair Corporation is a leading independent energy ...