Ramphis Castro
InvestorGeneral Partner at ScienceVest
New York, New York
Writes $10K – $100K checks · typically $25K
About
Ramphis Castro is a Kauffman Fellow and AI strategist with over 20 years of experience across engineering, startup funding, and policy. He has advised more than 50 startups in raising over $250 million and worked with fund managers across four continents on capital deployment strategies. Castro is currently developing a stealth platform focused on AI applications and capital systems design for founders and investors.
Experience
- Stealth StartupBuilding Something Newcurrent2025 — present
- VC3 DAOLimited Partner / Founding Genesis Member / Founding Governance Committee Co-Chaircurrent2022 — presentNew York, New York, United States
- ScienceVestCo-Founder / General Partnercurrent2016 — presentSan Francisco Bay Area
- Fractured AtlasMember, Board Of Trusteescurrent2018 — presentNew York, NY, United States
- Founders PledgePledgercurrent2019 — present
- Platform for Social ImpactChief Strategy Officer and Head of Investments2021 — 2024San Juan, Puerto Rico
- Parallel18Selection Committee Member2015 — 2022San Juan, Puerto Rico
- Hispanics in PhilanthropyAdvisor / Founding MD @ PowerUp Fund (renamed Inicio Ventures)2019 — 2021Oakland, California, United States
- SOSV - The Accelerator VCMentor / Fundraising EIR2019 — 2020New York, United States
- Align17Chief Product Officer2018Greater New York City Area
- Kauffman FellowsKauffman Fellow, Class 192014 — 2016
- The Founder InstituteDirector Emeritus2012 — 2016New York City, New York
- Senate of Puerto RicoSenior Advisor - President of the Senate, Hon Eduardo Bhatia2012 — 2015
- Universidad de Puerto RicoAdjunct Professor of Computer Science / Entrepreneurship2011 — 2014
- Polytechnic University of Puerto RicoVisiting Professor2012 — 2013San Juan, Puerto Rico
- TainoApp, IncCo-Founder2011 — 2013San Juan, Puerto Rico
- Relisc CorporationPrincipal Technology Advisor2010 — 2011
- Simple Engineering CorporationPresident/Founder/Chief Software Engineer2006 — 2009
- Rock Solid TechnologiesSoftware Engineer2004 — 2006
- Microsoft CorporationProgram Manager2003
Education
- University of Puerto Rico-MayaguezBachelor of Science (B.Sc.), Computer Engineering1999 — 2004
- Center for Venture EducationKauffman Fellowship, Venture Capital2014 — 2016
- University of Puerto Rico, Río PiedrasDoctor of Law (JD), Intellectual Property Law2006 — 2010
- University of OttawaDoctor of Law (J.D.), Winter Program - Bioethics2010
- Universitat de BarcelonaDoctor of Law (J.D.), Summer Law Program - International and European Law2009
- Stanford UniversityCertificate in Entrepreneurship Education - Lean LaunchPad for Educators, Entrepreneurship2013
- Harvard Kennedy SchoolExecutive Education - Certificate in Public Private Partnerships, (P3)2010
- MIT Sloan School of ManagementExecutive Education, Entrepreneurship Development2009
- CROEM - Centro Residencial de Oportunidades Educativas de MayaguezHigh School Diploma1998 — 1999
Skills & more
Driving ResultsLeadership99Strategic Planning42Strategy6Knowledge Transfer3Problem Solving1Doer1Artificial Intelligence (AI)InvestmentsStrategy ImplementationKey Performance IndicatorsFamily Offices
+12 more
ChatGPTBusiness ContinuityBuilding MaintenanceStrategic InitiativesTax ComplianceStart-upsSoftware DevelopmentEntrepreneurshipMobile ApplicationsSoftware EngineeringProgram ManagementMobile DevicesLanguages English · French · Spanish
- Licensed Professional Engineer — Board of Examinations for Engineers and Land Surveyors of Puerto Rico
From Ramphis's professional profile.
Colleagues at ScienceVest
Frequently asked questions
- Where does Ramphis Castro work?
- Ramphis Castro is General Partner at ScienceVest.
- What check size does Ramphis Castro write?
- Ramphis Castro typically writes checks of $10K – $100K.
Same school
Also attended University of Puerto Rico-Mayaguez3
Also attended Center for Venture Education31
Ben WirzFounding Partner at Brighteye VenturesAziz GilaniAssociate at Mercury FundClint KorverCofounder, Managing Director at Ulu VenturesPat BurtisAdvisor at DrivenJaime ZunzuneguiPartner at NazcaSaed NashefFounding Partner at RAED Ventures
+ 25 more
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; PCAST co-chair; former White House AI & crypto czarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital
+ 1,994 more
Also attended MIT Sloan School of Management488
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerHemant TanejaCEO & Managing Director of General CatalystBrad FeldCo-founder of Foundry and TechstarsChris MorrisProcess Specialist, Exit Readiness at Mayfair Equity PartnersBirgitteInvestor at InvestinorOlaInvestor at Investinor
+ 482 more
Shared employers
Also worked at Parallel1814
Gleb ChuvpiloManaging Partner at Thundermark CapitalMilan KochGeneral Partner at Mantis CapitalLisa Morales-HelleboFounder & Managing General Partner at REFASHIOND VenturesDr. Héctor JirauExecutive Director at Parallel 18Dr. Noé E. CrespoAssociate Director at Parallel 18Menchu Agüeros JiménezSenior Operations Manager at Parallel 18
+ 8 more
Also worked at Kauffman Fellows366
Jenny LeeSenior Managing Partner at Granite AsiaTobi CokerDeal Partner at Felicis VenturesRoi Bar-KatManaging Director at Intel CapitalAvi BharadwajInvestment Director at Intel CapitalNick WashburnSenior Managing Director, Intel Capital (North America)Vinnie LauriaFounding Partner at Golden Gate Ventures
+ 360 more
Also worked at The Founder Institute110
Vinnie LauriaFounding Partner at Golden Gate VenturesJeffrey PaineFounding Partner at Golden Gate VenturesGiuseppe DonvitoPartner at P101 VenturesMimi YagoubHead of Operations and Communications at One Way VenturesDr. ChettipallyVenture Advisor at Think+ Ventures Management, LlcRyan MichelettiGeneral Partner at The Veteran Fund
+ 104 more








































