CAMBRIDGE, Mass.--(BUSINESS WIRE)--Ra Pharmaceuticals, a clinical stage biopharmaceutical company focusing on the development of next-generation therapeutics for diseases of complement dysregulation and orphan indications defined by validated biomarkers, today announced that Doug Treco, PhD, President and Chief Executive Officer, will present at the Jefferies 2016 Complement Therapeutics Summit on Tuesday, May 3, 2016 at 10:45 a.m. E.T. The conference is being held at the Jefferies Conference Center in New York.