Fundraising Fox

Ibrahim Abdu

Founder

Founder at Fabraix

San Francisco, California, United States

FoundedFabraix · YC

About

Ibrahim Abdu is a software engineer who previously worked at Meta on AI agent systems and held early engineering roles at Two, a Sequoia-backed B2B startup. He also developed a proprietary compiler and database at TradingHub for algorithmic trading detection, and holds a BA in Philosophy, Politics and Economics from Oxford University.

Founder at FabraixYC S26

Intro paths

YC

Ibrahim went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.

GP

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

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In turn, Ibrahim can intro founders to Fabraix's investors below.

Fabraix's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Fabraix

AAAhmed Aly
Ahmed AlyFounder

Experience

  1. FabraixCo-Foundercurrent2026 — presentSan Francisco, California, United States
  2. Y CombinatorFounder (YC S26)current2026 — present
  3. MetaSoftware Engineer2024 — 2026
  4. TradingHubSoftware Engineer2023 — 2024London, England, United Kingdom
  5. TwoSoftware Engineer2021 — 2023London, England, United Kingdom

Frequently asked questions

Who is Ibrahim Abdu?
Ibrahim Abdu is a software engineer who previously worked at Meta on AI agent systems and held early engineering roles at Two, a Sequoia-backed B2B startup. He also developed a proprietary compiler and database at TradingHub for algorithmic trading detection, and holds a BA in Philosophy, Politics and Economics from Oxford University.
Where does Ibrahim Abdu work?
Ibrahim Abdu is Founder of Fabraix.
What companies did Ibrahim Abdu found?
Ibrahim Abdu founded Fabraix.
Where did Ibrahim Abdu go to school?
Ibrahim Abdu studied at University of Oxford (Philosophy, Politics and Economics (BA)); Y Combinator; University of Oxford.

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

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

+ 4,709 more

University of Oxford mafia290

Also came through, then founded or led a company.

Reid HoffmanM.St.Founded LinkedIn +2Gabriel PereyraDropped outFounded HarveyBrent HobermanMaster of Arts - MAFounded Founders Pledge +3William GuttmanM.PhilFounded CurvePoint +3Kevin HartzMstFounded Eventbrite +2Max AhrensDoctor of Philosophy - PhDFounded Maihem +2

+ 283 more

Two mafia3

Also came through, then founded or led a company.

Haakon BrunellStrategic AdvisorFounded Katapult Accelerator +1Ahmed AlyData Science, FraudFounded Fabraix

Same school

Also attended University of Oxford988

Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBrad GerstnerFounder & CEO of Altimeter CapitalGabriel PereyraCo-founder & President of HarveyDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index Ventures

+ 982 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 VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures

+ 1,994 more

Shared employers

Also worked at Fabraix1

Ahmed AlyFounder at Fabraix

Also worked at Y Combinator346

Garry TanPresident & CEO of Y CombinatorJessica LivingstonCo-founder of Y CombinatorDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceAlexis OhanianFounder & General Partner of Seven Seven SixMichael SeibelPartner Emeritus at Y CombinatorDalton CaldwellCo-founder of Standard Capital; Partner Emeritus at Y Combinator

+ 340 more

Also worked at Meta307

Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceDrew HoustonCo-founder & CEO of DropboxGabriel PereyraCo-founder & President of HarveyTinaInvestments & Portfolio Services Team Member at Clear VenturesMike ArpaiaComputer scientist working on machine learning and data infrastructure

+ 301 more

Also worked at Two5

Martell HardenbergInvestor at Antler AustraliaTom LambertInvestment Partner at Phoenix CourtAnthony DanonPartner at SpeedinvestHaakon BrunellFounder at Carbon CrusherAhmed AlyFounder at Fabraix