SAN DIEGO--(BUSINESS WIRE)--Halozyme Therapeutics, Inc. (Nasdaq: HALO), a biopharmaceutical company developing and commercializing products targeting the extracellular matrix, today announced the appointment of Jonathan Leff, M.D., as vice president and chief medical officer. Dr. Leff, previously the vice president and global head of inflammation clinical development at Roche, brings extensive experience in pharmaceutical product development from early stage molecules to global regulatory filing, approval and launch.
