Hector Jirau
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Startups Supported
Héctor J. Jirau-Colón is a Puerto Rican investor and executive based in San Juan. He serves as Executive Director of Parallel18, the Puerto Rico Science, Technology & Research Trust’s startup accelerator, where he leads investments across early- and late-stage opportunities. Jirau is founder and CIO of Jirau Capital Management and general partner of Elder Tree Syndicate on AngelList. His work and commentary have appeared in outlets including Crunchbase News and The Fintech Times. Prior roles include operations and investment leadership at the Trust. He holds a Ph.D. in Biochemistry and an M.S. in Financial Engineering. Official profiles and disclosures are listed below.
My mission is simple: to identify asymmetric opportunities, deploy capital with discipline, and generate outsized returns for investors, founders, and stakeholders.
I lead Parallel18, Puerto Rico’s global startup accelerator, where I’ve helped 300+ startups grow, scale, and exit—partnering with founders and investors to create real, measurable portfolio value.
With a PhD in Biochemistry and an MSc in Financial Engineering, I bring a data-driven approach to every investment. This blend of science and finance enables precise risk analysis and disciplined capital allocation.
Deal sourcing, due diligence, valuation, and exits
Portfolio value-creation and strategic capital allocation
Fundraising, grant acquisition, and investor relations
M&A integration and operational efficiency in roll-ups
Quantitative investing, macro strategy, and risk modeling
Fueling innovation by identifying and backing high-growth startups at scale.
Driving long-term value through disciplined investments and operational excellence.
Maximizing performance with data-driven oversight and strategic allocation.
Applying rigorous financial analysis to create consistent, outsized returns.
Partnering with founders to transform ideas into scalable, global businesses.
Building cross-sector collaborations that unlock growth and expand market reach.
As Executive Director of Parallel18, Puerto Rico’s leading global startup accelerator, I’ve:
Whether you’re a founder seeking strategic guidance, an investor exploring opportunities, or a partner looking to collaborate—I’d love to hear from you.