Fundraising Fox

Oussama Gabouj

Founder

Founder at Compresr

Lausanne Metropolitan Area

FoundedCompresr · YC

About

Oussama Gabouj is cofounder and CTO at Compresr. He previously conducted research at EPFL's DLab and AXA on machine learning systems and prompt compression techniques.

Founder at CompresrYC W26

Intro paths

YC

Oussama 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 Jared Friedman, YC Group Partner — the partner who ran Compresr's batch and knows the company first-hand. YC profile ↗

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In turn, Oussama can intro founders to Compresr's investors below.

Compresr's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Compresr

IZIvan Zakazov
Ivan ZakazovFounder
BABerke Argin
Berke ArginFounder
KCKamel Charaf
Kamel CharafFounder

Experience

  1. Compresr (YC W26)Co-Founder and CTOcurrent2026 — presentSan Francisco Bay Area
  2. dLab | EPFLGraduate Research Assistant2025 — 2026Lausanne, Vaud, Switzerland
  3. dLab | EPFLGraduate Research Assistant2024 — 2025Écublens, Vaud, Switzerland
  4. AXA Group OperationsAI research Intern2025Switzerland
  5. École polytechnique fédérale de LausanneStudent Assistant2021 — 2025Switzerland
  6. PIXALIONE | SEO, SEA, SMA & DATAJunior Data Scientist2024Paris, Île-de-France, France
  7. Laboratory of Computational Systems Biotechnology LCSB | EPFLUndergraduate Research Assistant2022 — 2023Lausanne, Vaud, Suisse
  8. Distributed intelligent systems and algorithms laboratory DISAL | EPFLResearch Assistant2023Lausanne, Vaud, Suisse
  9. EPFL Rocket TeamTeam Lead2020 — 2021

Skills & more

Retrieval-Augmented Generation (RAG)Fine Tuning1Remote SensingPPOData AnalysisData VisualizationKnowledge GraphsPrompt EngineeringPredictive ModelingMachine Learning1Large Language Models (LLM)Reinforcement Learning
+12 moreCybersecurityComputer VisionDeep LearningNatural Language Processing (NLP)Generative Adversarial Networks (GANs)AlgorithmsStatistiquesControl SystemTextgradGRPOText-to-Image RetrievalScene Graph Generation

Languages Arabic · English · French · German · Spanish

  • Essentials with Azure Fundamentals — Microsoft
  • IBM AI Foundations for Business Specialization — IBM, IBM
  • IBM RAG and Agentic AI Specialization — IBM
  • Python 3 Programming Specialization — University of Michigan
  • Machine Learning for Trading Specialization — Google Cloud, New York Institute of Finance
  • Generative Adversarial Networks (GANs) Specialization — DeepLearning.AI
  • Goethe zertifikat A2 — Goethe-Institut e.V.
  • TCF — Institut français de Tunisie
  • DELE B1 — Instituto Cervantes

From Oussama's professional profile.

Frequently asked questions

Who is Oussama Gabouj?
Oussama Gabouj is cofounder and CTO at Compresr. He previously conducted research at EPFL's DLab and AXA on machine learning systems and prompt compression techniques.
Where does Oussama Gabouj work?
Oussama Gabouj is Founder of Compresr.
What companies did Oussama Gabouj found?
Oussama Gabouj founded Compresr.
Where did Oussama Gabouj go to school?
Oussama Gabouj studied at Y Combinator (W26); EPFL (Master's degree, Data Science); EPFL (Bachelor's degree, Microengeneering).

Founder mafias

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EPFL mafia55

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Same school

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Also attended EPFL104

Raquel UrtasunFounder & CEO of WaabiSteve AnaviCo-founder & President of QontoBouraux LeopoldAI & Data Engineer at Newfund CapitalJan-Olivier FillolsSenior Managing Director at Marlin Equity PartnersChristoph FreiPartner, Head of Energy at Emerald Technology Ventures AgArzu TekirGeneral Partner at Treeo VC

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Shared employers

Also worked at Compresr (YC W26)3

Ivan ZakazovFounder at CompresrBerke ArginFounder at CompresrKamel CharafFounder at Compresr

Also worked at École polytechnique fédérale de Lausanne57

Raquel UrtasunFounder & CEO of WaabiBouraux LeopoldAI & Data Engineer at Newfund CapitalChristoph FreiPartner, Head of Energy at Emerald Technology Ventures AgYannick RitschelInvestor at Backbone VenturesChristian JaagBoard Member at CV VCGaurav SantAdvisor, Director, UCLA Institute for Carbon Management at Overture Climate

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