Tina Hannagan

Tina Hannagan is a seasoned executive with extensive experience in commercial leadership and sales management. Currently serving as Chief Commercial Officer at Definitive Healthcare since June 2025, Tina previously held significant roles at Fusable, including EVP and General Manager, as well as SVP of Sales from August 2022 to May 2025. At Dun & Bradstreet, Tina contributed as SVP and Head of Shared Services and led sales operations and strategic accounts from January 2007 to August 2022. Early in the career, Tina was with Citigroup as Vice President and Senior Marketing Manager. Academic credentials include an MBA in Business Administration & Marketing and a BS in Economics, both from the University of Delaware.