David Stack is an experienced financial executive with a robust background in leadership roles across various companies. Stack served as Chief Financial Officer at HubSpot from August 2008 to February 2014, and held similar positions at Localytics, Qstream, The RepTrak Company, and currently at Virtana Corp., starting August 2025. Previous experience includes VP Finance roles at EMC and RSA Security, as well as financial advisory positions at Wellframe and Crayon.co. Additionally, Stack contributes as a Venture Partner at Companyon Ventures and has been a member of the Board of Directors at BrandYourself.
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