Find your path to Joel
1,052 people in our graph share verified history with Joel — schools, employers, funds. One of them is your warm intro.
Paul KwanunlockedJoel: together at Stanford University (2025)
×3Joel: together at National University of Singapore
Joel: together at Stanford University
×7Joel: together at Y Combinator
About
Joel Tomas Pimentel studied rocket science at Imperial College London and Stanford University and is building financial technology products.
Founder at SelfinYC F25
Intro paths
YC
Joel went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Selfin's batch and knows the company first-hand. YC profile ↗
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In turn, Joel can intro founders to Selfin's investors below.
Selfin's investors · 2
Co-founders at Selfin
PG
Paula GutierrezFounder
Experience
- Selfin (YC F25)Co-Foundercurrent2025 — presentSan Francisco Bay Area
- KrakenProduct & strategy2024London Area, United Kingdom
- Boston Consulting Group (BCG)Visiting Associate2024Madrid, Community of Madrid, Spain
- VoltaCo-Founder2022 — 2023London Area, United Kingdom
- IntelsatCustomer Solutions Engineering Intern2023Greater London, England, United Kingdom
- NullshockCo-Founder2023London Area, United Kingdom
- Ricardo plcAnalyst Intern2022 — 2023Londres, Inglaterra, Reino Unido
- ClearSpaceSWE Intern2022Lausana, Vaud, Suiza
Skills & more
English4Spanish1Python (Programming Language)3SOLIDWORKS2MATLAB2Microsoft Office1C++JavaScriptHTMLCssAbaqusFinance1
+12 more
Software DevelopmentProject ManagementEngineeringAerospaceSpacecraftBusiness StrategyAeronauticsNumerical AnalysisConsultingData AnalysisFinancial ModelingCompetitive AnalysisLanguages English · French · German · Spanish
- Securities Education Certificate — Imperial College Investment Society
- Prospero Fellowship — Prospero Fellowship
- ESA Robotics Workshop — European Space Agency - ESA
- JP Morgan Investment Banking Virtual Experience — JPMorganChase
- Student Affiliate Member — Royal Aeronautical Society
- Goldman Sachs Engineering Virtual Program at Forage — Goldman Sachs
- Level C2-2 in English awarded at EF Washington DC — EF Language Abroad
- TOEFL iBT — TOEFL
- Certificate of Advanced English C1 — Cambridge English
From Joel's professional profile.
Frequently asked questions
- Who is Joel Tomas Pimentel?
- Joel Tomas Pimentel studied rocket science at Imperial College London and Stanford University and is building financial technology products.
- Where does Joel Tomas Pimentel work?
- Joel Tomas Pimentel is Founder of Selfin.
- What companies did Joel Tomas Pimentel found?
- Joel Tomas Pimentel founded Selfin.
- Where did Joel Tomas Pimentel go to school?
- Joel Tomas Pimentel studied at Imperial College London (Integrated Master's degree in Aerospace Engineering); Stanford University (Master's thesis); Y Combinator (F25).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
Stanford University mafia1,934
Also came through, then founded or led a company.
Peter ThielB.A.Founded PayPalReid HoffmanB.S.Founded LinkedIn +2David SacksB.A.Founded YammerKeith RaboisB.A.Founded OpendoorGarry TanBSFounded Y Combinator +1Joe LonsdaleBSFounded Opto +5
+ 1,927 more
Imperial College London mafia378
Also came through, then founded or led a company.
Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2David SchilanskyMScFounded One Biosciences +2David MyttonMaster of Science - MSFounded Server Density +1Slava SolonitsynMBAFounded No Cap +1Barnaby MaletTeaching AssistantFounded machine0 +1Advait RuiaBachelor of Engineering (BEng)Founded SuperTokens +1
+ 371 more
National University of Singapore mafia184
Also came through, then founded or led a company.
Aihui OngB.Sc.Founded Buela +3Eugene CheahComputer ScienceFounded Recursal AI, Inc. +2Vishal ChatrathMaster of EngineeringFounded Secondmind +2Mike MoradiLeadershipFounded Southwest Nanotechnologies +1Lloyd LeeExchange StudentFounded Hyperithm +1Sivamani VarunBachelor of Engineering - BEFounded Keygraph +1
+ 177 more
Universidad Nacional de Educación a Distancia - U.N.E.D. mafia11
Also came through, then founded or led a company.
Miguel FernandezB. Economics - 1st and 2nd yearFounded CapchaseJacobo Vidal AbeigónComputer Science DegreeFounded ArenguPaula GutierrezBachelor's degree (240 credits)Founded SelfinJorge Padilla PerezBachelor's degreeFounded Mango MedicalRebeca MinguelaBachelor of Business Administration (BBA) - 5 years degreeFounded Clarity AIJacobo ElosuaLicenciadoFounded Iris AI
+ 4 more
Same school
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia CapitalJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at Floodgate
+ 1,994 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended Universidad Nacional de Educación a Distancia - U.N.E.D.33
Carlos EstebanPartner at FaberPablo PedrejónPartner at SeayaIsabel AlbellaInvestor at Global Social Impact InvestmentJoaquìn GonzaloSenior Advisor Spain at Andera PartnersJesus PerezPartner at Civeta InvestmentPedro GuerraPartner at Civeta Investment
+ 27 more
Also attended Dual Diploma1
Shared employers
Also worked at Selfin (YC F25)1
Also worked at Kraken7
Irena SpazzapanManaging General Partner at Systemiq CapitalAngel IssaFintech at Octopus VenturesVeery MaxwellCo-Head, Venture & Growth at Galvanize Climate SolutionsAmir OradCEO at KrakenAssaf BidermanExecutive Officer, Director at SuperpedestrianVeery MaxwellGeneral Partner at GALVANIZE EMPLOYEE
+ 1 more
Also worked at Boston Consulting Group (BCG)1,460
Cristina JunqueiraCo-founder of NubankMassimo PrelzInvestor at DN CapitalRasmus AreskougInvestor at DN CapitalRiccardo MontiOperating Advisor at P101 VenturesAntonio TurroniOperating Advisor at P101 VenturesLuca RossettoOperating Advisor at P101 Ventures
+ 1,454 more
Also worked at Intelsat12
Joseph WrightChairman of the Investment Committee at ClearSkyCécile GuvenExecutive Assistant & Office Manager at Elbow Beach CapitalJustin BatemanPartner at ARCHIMED JapanEmanuela MusciFounder at S&O Multi Family OfficeFranck LahayeCo-Founder at AirthiumKwame AmpemFounder at MentalHappy
+ 6 more