B.S. , Kelley A. Fedler , B.S. , Helio S. Sader , M.D. , Ph.D. , Ronald N. Ronald N. Jones , M.D. , FIDSA ( 1 ) , Matthew G. Stilwell , B.S. ( 1 ) , Helio S. Alan Forrest , Pharm.D. ( 1,2 ) , Brian T. Tsuji , Pharm.D. ( 2 ) , Sujata M. About Cempra PharmaceuticalsFounded in 2006 , Cempra Pharmaceuticals is a privately-held , clinical-stage biotechnology company focused on developing antibacterials to address critical medical needs .