LEXINGTON, Mass.--(BUSINESS WIRE)--Synta Pharmaceuticals Corp. (NASDAQ: SNTA), a biopharmaceutical company focused on discovering, developing, and commercializing small molecule drugs to treat severe medical conditions, today announced that Amar Singh has joined Synta as Senior Vice President, Business and Commercial Development and Iman El-Hariry M.D., Ph.D., has been appointed Vice President, Clinical Research.