Alejandra joined Mersana in April 2021, bringing with her 20 years of legal leadership and transformational business development experience.

Before joining Mersana, Alejandra was the Chief Legal Officer and General Counsel of Momenta Pharmaceuticals, Inc. where she led the company’s legal operations through both business restructuring and the company’s successful acquisition by Johnson & Johnson. 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, Alejandra served as the Vice President, General Counsel at Cerulean Pharma Inc. Previously, she served in several positions of increasing seniority at Millennium Pharmaceuticals, contributing to the company’s R&D, business development, manufacturing and commercial efforts. She also held positions earlier in her career at the law firms of Day, Berry & Howard LLP and Hill & Barlow.

Alejandra received her B.A. cum laude from Harvard University and her J.D. cum laudefrom the Georgetown University Law Center. She is admitted to practice in the Commonwealth of Massachusetts. 

Fun fact about Alejandra: In her spare time, Alejandra is a member of the Board of Directors for the Science Club for Girls, Inc., a Massachusetts-based non-profit organization that fosters excitement, confidence, and literacy in STEM for girls and young women from underrepresented communities.