Growing Houston specialty chemical company, Ascend Performance Materials LLC, has poached its newest president from Dallas-based Celanese Corp. (NYSE: CE). Phil McDivitt, a Celanese vice president who has spent his whole career with the company, said he is excited about the new opportunity leading Ascend's nylon business in Houston. "It's still a relatively new company but it quickly became a world leader in nylons," McDivitt said of Ascend. Got Energy?