About
Oskar Block is CEO of Stilta. He founded companies in machine learning for sports betting and a bootstrapped venture that reached over $1M revenue and 25,000 monthly active users, and previously worked at McKinsey, Goldman Sachs, and two Swedish unicorn startups.
Founder at StiltaYC W26
Intro paths
YC
Oskar went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran Stilta's batch and knows the company first-hand. YC profile ↗
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In turn, Oskar can intro founders to Stilta's investors below.
Stilta's investors · 3
Co-founders at Stilta
Experience
- StiltaCEO & Co-Foundercurrent2026 — presentSan Francisco, CA
- McKinsey & CompanyAssociate2025Stockholm County, Sweden
- McKinsey & CompanyJunior Associate2024 — 2025
- OBG Media ABCEO & Co-Founder2020 — 2025
- EinrideResearch2024
- Goldman SachsInvestment Banking Intern2022
- Blocken Consulting ABCEO & Founder2019 — 2022
- McKinsey & CompanyBusiness Analyst Intern2022
- Various CompaniesInternships2020 — 2022
- Warberg ICFloorball Player2018 — 2019
Frequently asked questions
- Who is Oskar Block?
- Oskar Block is CEO of Stilta. He founded companies in machine learning for sports betting and a bootstrapped venture that reached over $1M revenue and 25,000 monthly active users, and previously worked at McKinsey, Goldman Sachs, and two Swedish unicorn startups.
- Where does Oskar Block work?
- Oskar Block is Founder of Stilta.
- What companies did Oskar Block found?
- Oskar Block founded Stilta.
- Where did Oskar Block go to school?
- Oskar Block studied at Y Combinator (YC W26); Chalmers University of Technology (M.Sc. Management and Economics of Innovation); University of Newcastle (Exchange Semester in Australia).
Founder mafias
Y Combinator mafia8,773
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Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
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McKinsey & Company mafia337
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Elad GilConsultantFounded Brain Co.Tony XuBusiness AnalystFounded DoorDashAlexandre ProtAssociateFounded Smartven +1Inaki BerenguerAssociateFounded InfiniteWatch +2Ryan XueManagement ConsultantFounded Andco +2Max AhrensFellow InternFounded Maihem +2
+ 330 more
Goldman Sachs mafia249
Also came through, then founded or led a company.
Fred EhrsamTraderFounded Nudge +1Matt HuangSummer AnalystFounded HotspotsDavid VélezAnalystFounded NubankTarek MansourEquity Derivatives AnalystFounded KalshiColin WebbSummer AnalystFounded SaucepricingJeppe RindomSummer InternshipFounded Pleo
+ 242 more
Chalmers University of Technology mafia13
Also came through, then founded or led a company.
Per HulthénMaster of Science (MSc)Founded FDS +1Jakob PalmstiernaShips' Officers' DegreeFounded GsrErik Madeyski BengtsonMSc Business AdministrationFounded Sahlgrenska Science ParkBeata KleinBachelor of Science (B.Sc.)Founded ParloaAnders ForslundMaster of Engineering (M.Eng.)Founded Heart AerospaceOlle WermeBachelor of Science (B.Sc.)Founded Camp
+ 6 more
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
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Also attended Chalmers University of Technology54
Ernest GassóDirector at Inveready Technology Investment GroupJacob KeyInvestor at Luminar VenturesJakob PalmstiernaPresident at GSRHimanshu GuptaCo-founder at WeRize at PICUS CAPITALEmma HanaeusInvestor at Almi InvestLinda ElfvingInvestor at Almi Invest
+ 48 more
Also attended University of Newcastle23
Gabby BleakleySenior Legal Counsel at Square Peg CapitalJane DelougheryHead of Investor Relations at King River CapitalFaisal SedraniCEO, Exel by Merak at Merak CapitalBarbara KaupFinancial & Investment Controlling at eCAPITAL ENTREPRENEURIAL PARTNERSSwetha MuraliVice President at OMX VenturesCynthia MakokhaSenior Accountant at Federation
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Also attended School of Business, Economics and Law at the University of Gothenburg35
Martin Boldt-ChristmasInvestor at Green FlagTherese FromInvestor at IndustrifondenTina SörqvistInvestor at IndustrifondenEmilia CarlqvistAnalyst, Innovestor Life Science at Innovestor VenturesMartin SoderbergPartner at Spear CapitalViking JohanssonHilbert Capital Team at Hilbert Group
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Shared employers
Also worked at Stilta3
Also worked at McKinsey & Company1,549
Elad GilSolo general partner investing through Gil CapitalJim BreyerFounder & CEO of Breyer CapitalAnn Miura-KoCo-founding Partner at FloodgateJeremy LiewPartner at Lightspeed Venture PartnersMike SpeiserManaging Director at Sutter Hill VenturesJeremy LevinePartner at Bessemer Venture Partners
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Also worked at Einride9
Jessica SchultzPartner at NorthzoneTed PerssonInvestor at EQT VenturesAvantika DaingFounding Partner at Plum Alley InvestmentsMarek KiisaGeneral Partner at NordicNinjaTomosaku SoharaGeneral Partner at NordicNinjaIndra SharmaPartner at Peak
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+ 3 more
Also worked at Goldman Sachs1,505
Josh KushnerFounder & CEO of Thrive CapitalSarah GuoFounder & General Partner of ConvictionFred EhrsamCo-founder and Senior Advisor at Paradigm; founder of NudgeMatt HuangCo-founder and Managing Partner at ParadigmDavid VélezFounder & CEO of NubankTarek MansourCo-founder & CEO of Kalshi
+ 1,499 more