Kala Pharmaceuticals, Inc. announced the appointment of Steven Zhang, M.D., Ph.D., as Vice President of Medical Affairs. He brings to the company years of experience working in the pharmaceutical industry, with many of those years spent focused in ophthalmology. Prior to joining the company, he served as Senior Director, Global Ophthalmic Franchise Medical Lead and Head of U.S. Ophthalmic Medical Affairs at Shire where he played an important role in leading the pre-approval and launch medical activities of Xiidra® 5% in the U.S. and for its global expansion.