Chem, Inc., a privately held biotechnology company focused on applying its innovative drug discovery capabilities to the generation of novel small molecule therapeutics, today announced that Diala Ezzeddine, Ph.D., has been promoted to executive vice president and chief business officer, effective December 6, 2014. Dr. Ezzeddine joined X-Chem in January 2010, shortly after the company was founded, and was appointed chief business officer and a member of the company's executive management team in January 2011.