Héctor J. Jirau-Colón (Hector Jirau) — Investor, Operator, Scientist
Turning ideas into scalable, capital-efficient businesses.
At A Glance
Specialties
Base: San Juan, Puerto Rico
Roles: Executive Director, Parallel18; Investor & Advisor
Select stages: Pre-seed to Series B
Edge: Cross-border operations, regulated markets, financial engineering
Media & speaking: Inc./InvestPR feature; HolonIQ 2024; Entrepreneur author index; NFX Signal investor profile
About Me
Who I Am
Héctor J. Jirau-Colón (Hector Jirau in short) is a Puerto Rican investor, operator and scientist specialized in Cross-Border early-stage investing, with a base in Puerto Rico. He serves as the Executive Director of Parallel18, an international startup accelerator, where he leads investments across early- and late-stage ventures. His work and commentary have appeared in outlets including Bloomberg, Entrepreneur Magazine, Crunchbase News and The Fintech Times. Prior roles include operations and investment leadership at the Puerto Rico Science Trust. He holds a Ph.D. in Biochemistry and an M.S. in Financial Engineering.
Featured In Leading Publications
Extending impact through culture and science
Board Memberships and Leadership Roles
Top Skills
Current Role
Driving growth with a global investment footprint
As Executive Director of Parallel18, Puerto Rico’s leading global startup accelerator, I’ve:
- Built international investment networks with over 100 capital allocators
- Positioned +300 high-growth companies for scale and exits
- Overseen +$40M in private risk capital
- Partnered with founders and investors to create measurable portfolio value through capital deployment, strategic partnership and operational optimization.
Personal Performance Metrics
Interviews and Podcasts
Press Releases and On the News
Funding for Latin America’s Unicorns Vanishes as Venture Capital Pulls Back - Bloomberg
Venture capital funding for late-stage startups in Latin America has collapsed, dropping 92% in Q3 year-over-year, according to LAVCA. Once flush with investment, the region’s unicorns are now cutting staff, scaling back expansion, and increasingly relying on bank loans — borrowing $1.3 billion — to stay afloat.
Puerto Rico’s Growing Tech ScenePuerto Rico is emerging as a top tech hub, with a wealth of opportunity for ambitious entrepreneurs.
Venture capital funding for late-stage startups in Latin America has collapsed, dropping 92% in Q3 year-over-year, according to LAVCA. Once flush with investment, the region’s unicorns are now cutting staff, scaling back expansion, and increasingly relying on bank loans — borrowing $1.3 billion — to stay afloat.
Why LatAm Startup Founders Should Take A Practical, Pessimistic Approach In 2024
As optimism returns to venture markets, Latin American founders are urged to adopt “practical pessimism” in 2024. Instead of chasing inflated valuations, they should focus on resilience, sustainable growth, and proving product-market fit—using capital as a tool, not a crutch
Frequently Asked Questions❓
Contact
Get In Touch
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.