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Oskar Block

Founder

Founder at Stilta

San Francisco, California, United States

FoundedStilta · YC

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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, General Partner at Y Combinator — 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 · 5

Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2026Blast.Club$5.5M checks · since 2026Inception Fund$110K – $1.1M checks · since 2026Phosphor Capitalsince 2026Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Stilta

OAOscar Adamsson
Oscar AdamssonFounder
TETobias Estreen
Tobias EstreenFounder
PWPetrus Werner
Petrus WernerFounder

Experience

  1. StiltaCEO & Co-Foundercurrent2026 — presentSan Francisco, CA
  2. McKinsey & CompanyAssociate2025Stockholm County, Sweden
  3. McKinsey & CompanyJunior Associate2024 — 2025
  4. OBG Media ABCEO & Co-Founder2020 — 2025
  5. EinrideResearch2024
  6. Goldman SachsInvestment Banking Intern2022
  7. Blocken Consulting ABCEO & Founder2019 — 2022
  8. McKinsey & CompanyBusiness Analyst Intern2022
  9. Various CompaniesInternships2020 — 2022
  10. 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).

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