Fundraising Fox

David Strömbäck

Founder

Founder at Crimson

San Francisco, California, United States

FoundedCrimson · YC

About

David Strömbäck is the founder of Crimson, an AI platform that automates document review and case file organization for litigation and arbitration teams.

LinkedIn ↗

Founder at CrimsonYC X25

Intro paths

YC

David went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran Crimson's batch and knows the company first-hand. YC profile ↗

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In turn, David can intro founders to Crimson's investors below.

Crimson's investors · 2

Twenty Two VenturesY Combinator

Co-founders at Crimson

MFMark Feldner
Mark FeldnerFounder

Experience

  1. CrimsonCo-Founder & CTOcurrent2025 — present
  2. Flutter InternationalHead of AI2024 — 2025
  3. Self-employedAI Consultant2022 — 2024Munich, Bavaria, Germany
  4. PokerStarsSenior Data Science Manager2022Malta
  5. PokerStarsData Science Manager2021 — 2022Malta
  6. PokerStarsSenior Data Scientist2020 — 2021Malta
  7. SonyMachine Learning Engineer2020Lund, Sweden
  8. SonyResearch Intern2019Lund, Sweden
  9. SonyMaster Dissertation Project2019Edinburgh, Scotland, United Kingdom
  10. eezylifeMachine Learning Engineer2018London Area, United Kingdom
  11. Open Line B.V.Data Scientist Intern2015 — 2017Maastricht

Education

  1. Y CombinatorX252025
  2. The University of EdinburghMaster's degree, Artificial Intelligence
  3. Maastricht UniversityBachelor of Science - BS, Data Science & Knowledge Engineering

Skills & more

Machine Learning8Java3Python8SQL1Teamwork7Statistical Data Analysis1Data Analysis1Artificial Intelligence1Natural Language Processing1Knowledge EngineeringMathematical ModelingImage Analysis
+12 moreLaTeXData ScienceComputer ScienceProgrammingAgile MethodologiesDatabasesRecommender SystemsGitComputer VisionConvolutional Neural Networks (CNN)Artificial Neural NetworksNeural Networks

Languages English · French · Swedish

  • KnowledgeEngineering@Work — Maastricht University

From David's professional profile.

Founder mafias

Y Combinator mafia8,668

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded PursuitDelian AsparouhovYC Summer 2014Founded Nightingale +1Justin KanYC Winter 2018Founded Rye +3

+ 8,661 more

The University of Edinburgh mafia28

Also came through, then founded or led a company.

Jeff ChangGraduate StudiesFounded Doblet +1Martin SchrimpffMechanical Engineering with Management TechniquesFounded KocomoDavid MlčochMaster's degree with DistinctionFounded AsteroidNicolas HourcardMsc Finance & InvestmentFounded QuestDBKarolis NarkeviciusMScFounded HumaansJohn TambuntingStudy Abroad ProgramFounded Pangea.app

+ 21 more

Maastricht University mafia7

Also came through, then founded or led a company.

Hermann FrankInternational BusinessFounded Gigs +1Dennis BauerBachelor of Science (BSc)Founded Gigs +1Mathieu SneepBachelor of Science (BSc)Founded TablevibeMaximilian DeichmannBachelor of Science - BSFounded LangfusePatrick GrossmannDoctor of Philosophy - PhDFounded InvitrisCaterina KiehntopfMasterFounded Dexter

Same school

Also attended Y Combinator2,000

Leo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious Ventures

+ 1,994 more

Also attended The University of Edinburgh187

Sofia DolfeInvestor at Index VenturesFreya Svedberg-KeatingInvestor at MedicxiKevin JohnsonInvestor at MedicxiPatrick NorrisGeneral Partner at Notion CapitalEmily PawlakVice President at Volition CapitalTom FergusonFounder and Managing Partner at BURNT ISLAND VENTURES

+ 181 more

Also attended Maastricht University65

Jonas VetterleInvestor at Moonfire VenturesDaniel Porras ReyesAssociate at Flybridge Capital PartnersBen MasonSenior Investment Manager - Finance at Emerald Technology Ventures AgLucas PaulInvestment Team at RedstoneAnnika in der BeekChief People Officer at Statista at PICUS CAPITALJack DaleyInvestment Associate at King River Capital

+ 59 more

Shared employers

Also worked at Crimson1

Mark FeldnerFounder at Crimson

Also worked at PokerStars7

Oliver BlakeyInvestor at Paper VenturesAndy MizerekSenior Director of Marketing at Runway Growth CapitalYaxi ZhuFounding Partner at Mirana VenturesAntanas GuogaStrategic Adviser at DigitalX Fund ManagementOlanike JagunInvestor at Rising Tide Africa (RTA)James ConlonPartner at Bullpen Capital

+ 1 more

Also worked at Sony54

Allen DuanVenture Partner at Differential VenturesAnne GheriniChief Marketing Officer at Sierra VenturesOmar HamouiPartner at Mucker CapitalFelix ShpilmanVenture Partner at Moses CapitalSandeep MurthyPartner and Managing Director at LightboxLihi LubranskiPrincipal at Triventures

+ 48 more