David A. Spellman

Mr. Spellman, Chief Financial Officer, joined Mersana in March 2018, bringing nearly 20 years of financial planning and management, and accounting experience within the biopharmaceutical and healthcare industries. He joins us from Vertex Pharmaceuticals where he served in various roles of increasing responsibility in finance and accounting positions, most recently as Vice President, Corporate, Commercial and International Finance.  

He has been directly responsible for building and managing a diverse group of global finance and accounting functions in support of critical business milestones that included global launches of Kalydeco® and Orkambi®, and the U.S. launch of INCIVEK.  He also spent four years at Millennium Pharmaceuticals where he held several positions in the Finance team, including operating as a member of the VELCADE® launch team. Mr. Spellman holds a B. S. in Economics, from the Wharton School, University of Pennsylvania.