Mersana Therapeutics, Inc. announced the appointment of Alejandra Carvajal as Senior Vice President and Chief Legal Officer. Ms. Carvajal was most recently the Chief Legal Officer, General Counsel & Secretary at Momenta Pharmaceuticals, where she led the company’s legal operations through both business restructuring and the successful acquisition by Johnson & Johnson for $6.5 billion. She also served as a key strategic legal partner in the Company’s financing, business development and contractual decision-making efforts. Prior to joining Momenta, Ms. Carvajal served as the Vice President, General Counsel at Cerulean Pharma. Previously, Ms. Carvajal worked at Millennium Pharmaceuticals in several positions of increasing seniority, where she was the legal business partner to Millennium’s R&D, business development, manufacturing and commercial functions.