David Martirano, Co-Founder and Managing Partner of Boston-based PJC. See sector focus and contact routes.
David Martirano, Co-Founder and Managing Partner of Boston-based PJC, primarily invests in early-stage (seed and Series A) technology companies within enterprise software, SaaS, fintech, consumer technology, and artificial intelligence. His notable portfolio includes high-impact exits such as Nest (acquired by Google), Evergage (acquired by Salesforce), and Expensify (which went public), alongside current investments like Openly, TicketManager, and BlockFi. Martirano's distinctive thesis centers on backing disruptive innovations with strong scalability and robust business models led by visionary management teams, having deployed capital across over 100 early-stage companies since founding the firm in 2001.
Every field above is read from the StartupFundraising investor directory — disclosed location, recorded investments and stated focus — and re-checked as filings arrive. Founders pair it with investors in Boston when building a target list.
Investors like David Martirano · Full investor directory · Investor access · Company funding database