Jonathan Leff, M.D. has been appointed vice president and chief medical officer, Halozyme Therapeutics. Dr. Leff was previously the vice president and global head of inflammation clinical development at Roche. He has experience in pharmaceutical product development from early stage molecules to global regulatory filing, approval and launch. “Dr. Leff is a highly accomplished leader with a proven track record of successfully developing and commercializing large and small molecules across a bro...