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

Before joining Mersana, Alejandra was 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, Alejandra served as the Vice President, General Counsel at Cerulean Pharma. Previously, she 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. She also held positions earlier in her career at law the firms Day, Berry & Howard LLP and Hill & Barlow.

Alejandra received her Juris Doctorate with honors from the Georgetown University Law Center and holds a bachelor’s degree with honors from Harvard University. She is a member of the Commonwealth of Massachusetts Bar. 

In her spare time, Alejandra is a member of the Board of Directors for the Science Club for Girls, Inc., a MA non-profit organization that fosters excitement, confidence, and literacy in STEM for girls and young women from underrepresented communities.  She also enjoys traveling with her family (when it is safe!), reading the Sunday NYTimes and learning how to play the piano.