Fundraising Fox

Nicolas Grislain

Founder

Founder at Sarus

Greater Paris Metropolitan Region

FoundedSarus · YC

About

Nicolas Grislain holds degrees in mathematics and computer science from École Normale Supérieure de Lyon and previously worked in economics and financial modeling at the French Treasury and Société Générale. He co-founded AlephD in 2012, where he led R&D until its 2016 acquisition by Yahoo, and co-founded Sarus Technologies in 2020.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

Nicolas Grislain @ngrislain

Reading Note: Sequential-Parallel Duality in Prefix Scannable Models https://t.co/eyFxCVgOZi

Mar 16, 2026 · ♥ 1

Nicolas Grislain @ngrislain

Don't Vibe — Prove https://t.co/Gu6GZmJXc4

Mar 13, 2026 · ♥ 2

Nicolas Grislain @ngrislain

Solving these puzzles in @leanprover was a great experience. https://t.co/3O12hEICgo

Dec 12, 2025 · ♥ 1

Founder at SarusYC W22

Intro paths

YC

Nicolas went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.

→

In turn, Nicolas can intro founders to Sarus's investors below.

Sarus's investors · 3

SerenaXAngeY Combinator

Co-founders at Sarus

MAMaxime Agostini
Maxime AgostiniFounder
VLVincent Lepage
Vincent LepageFounder
E
ElodieHead of Product
L
LindseyVP of Engineering

Experience

  1. DatadogStaff Applied Scientistcurrent2025 — present
  2. Sarus TechnologiesCofounder and CSO2020 — 2025Paris, Ile-de-France, France
  3. Verizon MediaSenior Director Data Scientist2018 — 2020Paris Area, France
  4. OathGeneral Manager AlephD2016 — 2018Paris Area, France
  5. AlephDFounder and CSO2012 — 2016Paris Area, France
  6. CinequantFounder2012 — 2013Paris Area, France
  7. Société GénéraleQuantitative Risk Management2010 — 2012Paris Area, France
  8. Direction générale du Trésor (French Treasury)Economic and Financial advisor2006 — 2010Paris Area, France
  9. University of California, BerkeleyTrainee2002

Education

  1. École normale supérieure de LyonBachelor of Science (BSc), Mathematics and Computer Science2000 — 2004
  2. ENSAE ParisMaster of Engineering (MEng), Quantitative Finance2004 — 2006
  3. Pierre and Marie Curie UniversityMaster of Science (MSc), Optimization2002 — 2003
  4. Universitat Pompeu FabraMaster of Science (MSc), Economics2003 — 2004

Skills & more

Macroeconomics13Economic Policy3Economics11Microeconomics4Econometrics10Entrepreneurship9Statistics8Big Data21Risk Management2RTB1Mathematics1Quantitative Analytics2
+12 moreEconomic ResearchStatistical ModelingStart-upsMachine LearningDeep LearningArtificial IntelligenceBusiness StrategyBusiness DevelopmentFrenchStrategyManagementHadoop

Languages English · French · German · Spanish

From Nicolas's professional profile.

Same school

Also attended École normale supérieure de Lyon5

Boris GoldenGeneral Partner at Partech VenturesEtienne MoreauPartner at Supernova InvestGuillaume GarcheryInvestor at ATKAWladimir d'OrmessonPrincipal at C4 VenturesSamuel BernardFounder at NuMind

Also attended ENSAE Paris10

François RobinetManaging Partner at Atlantic Vantage PointRenan DevillieresPartner, CEO at OSS VenturesYves RennoLead Analyst at EquilibriumOthmane SebbouhVenture Fellow alumnus ('21-'23) at Air Street CapitalCharles LetourneurManaging Partner at AlvenChristine Vu ThienCo-founder Operations & Risk at Ivesta Family Office

+ 4 more

Also attended Pierre and Marie Curie University37

Jeff ClavierFounding Partner at Uncork CapitalJean SiniGeneral Partner at Partech VenturesDimitri KrempPrincipal at Axeleo CapitalJack GuedjInvestor at Sand Hill AngelsOphélie LaurinInvestment Associate at World FundRémi DrollerManaging Partner at Kurma Partners

+ 31 more

Also attended Universitat Pompeu Fabra67

Aniol BrosaGeneral Partner at Inveready Technology Investment GroupErnest GassóDirector at Inveready Technology Investment GroupAgustina NietoLegal Counsel at Nauta CapitalJosep Ll. SanfeliuCo-founder and managing partner at Asabys PartnersGuillem MasferrerPartner at Asabys PartnersMontse VendrellPartner at Asabys Partners

+ 61 more

Shared employers

Also worked at Sarus Technologies2

Sébastien Le RoyPartner at SerenaAlexis du PelouxPartner at XAnge

Also worked at Verizon Media5

John MathenyVenture Partner at Foothill VenturesXavier SeguraManaging Partner at Tessera Venture PartnersChris LyonsGeneral Partner at Andreessen HorowitzMiles DotsonManaging Partner at DevlandEden FedermanFounder at Odigos Technologies Inc.

Also worked at Oath1

Brendan WiseAssociate at W Capital Partners

Also worked at Société Générale81

Sandra SchwarzerInvestor at Index VenturesThomas RubensInvestor at DN CapitalFlorence LiaigreInvestor at MedicxiRichard TapalagaDirector at Qualcomm VenturesBenjamin ChongPartner at Right Click CapitalMaxime WalterInvestment Director at Capagro

+ 75 more