Find your path to Nicolas
455 people in our graph share verified history with Nicolas — schools, employers, funds. One of them is your warm intro.
Shardul ShahunlockedNicolas: together at Datadog (2025–2026)
Nicolas: together at Société Générale
×7Nicolas: together at Universitat Pompeu Fabra
×3Nicolas: together at Datadog
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.
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
Co-founders at Sarus
MA
Maxime AgostiniFounder
VL
Vincent LepageFounder
Experience
- DatadogStaff Applied Scientistcurrent2025 — present
- Sarus TechnologiesCofounder and CSO2020 — 2025Paris, Ile-de-France, France
- Verizon MediaSenior Director Data Scientist2018 — 2020Paris Area, France
- OathGeneral Manager AlephD2016 — 2018Paris Area, France
- AlephDFounder and CSO2012 — 2016Paris Area, France
- CinequantFounder2012 — 2013Paris Area, France
- Société GénéraleQuantitative Risk Management2010 — 2012Paris Area, France
- Direction générale du Trésor (French Treasury)Economic and Financial advisor2006 — 2010Paris Area, France
- University of California, BerkeleyTrainee2002
Skills & more
Macroeconomics13Economic Policy3Economics11Microeconomics4Econometrics10Entrepreneurship9Statistics8Big Data21Risk Management2RTB1Mathematics1Quantitative Analytics2
+12 more
Economic ResearchStatistical ModelingStart-upsMachine LearningDeep LearningArtificial IntelligenceBusiness StrategyBusiness DevelopmentFrenchStrategyManagementHadoopLanguages English · French · German · Spanish
From Nicolas's professional profile.
Frequently asked questions
- Who is Nicolas Grislain?
- 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.
- Where does Nicolas Grislain work?
- Nicolas Grislain is Founder of Sarus.
- What companies did Nicolas Grislain found?
- Nicolas Grislain founded Sarus.
- Where did Nicolas Grislain go to school?
- Nicolas Grislain studied at École normale supérieure de Lyon (Bachelor of Science (BSc), Mathematics and Computer Science); ENSAE Paris (Master of Engineering (MEng), Quantitative Finance); Pierre and Marie Curie University (Master of Science (MSc), Optimization).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
Pierre and Marie Curie University mafia49
Also came through, then founded or led a company.
Guillaume LampleDoctor of Philosophy - PhDFounded Mistral AIThomas WolfPhDFounded Hugging FaceAnne OsdoitDIU CESAM - Centre d'Etudes Statistiques Appliquées à la MédecineFounded Moon Surgical +2Ben SaundersPhDFounded One Biosciences +2Maxime AllouchM.S. in Applied Maths & Artificial Intelligence (M2A)Founded Verahealth +1Jeff ClavierDiplome d'Etudes ApprofondiesFounded Uncork Capital
+ 42 more
Datadog mafia47
Also came through, then founded or led a company.
Josephine LeeSoftware Engineering InternFounded Palette Labs +1Brad MenezesSenior Director of Product ManagementFounded Superblocks +1Pierre BetouinVice President Of Product ManagementFounded Tolmo +1Taylor BaldwinSenior Software EngineerFounded Drifting In Space +1Sergio PradaSoftware EngineerFounded Metal +1Arseniy ShishaevSoftware EngineerFounded Superlog +1
+ 40 more
Universitat Pompeu Fabra mafia38
Also came through, then founded or led a company.
Carlos BlancoMaster en TelecomunicacionesFounded Nuclio Founders +1Tommaso TombaStudy Abroad Program - Applied MathematicsFounded Moons +1José Carlos AguilarAcademic ExchangeFounded Buró de Ingresos +1Lucrecia PortaSEMINARIO NEGOCIOS INTERNACIONALESFounded Wibond +1Veronica Costa OrvalhoDEAFounded Didimo +1Claudia RibasBachelorFounded Theqapp +1
+ 31 more
ENSAE Paris mafia11
Also came through, then founded or led a company.
Charles LetourneurFounded AlvenNadir TitaMaster of Engineering - MEngFounded HeroKarim BouriProgramme grande écoleFounded WealorRaphaël DabadieFounded FoasterAlexandre CombesFounded FoasterAlex CombessieMaster of Science - MSFounded Giskard
+ 4 more
Same school
Also attended École normale supérieure de Lyon13
Boris GoldenGeneral Partner at Partech VenturesEtienne MoreauPartner at Supernova InvestGuillaume GarcheryInvestor at ATKAEnrico CostanzoHead of Innovation Cereal Docks Group at Grey Silo VenturesSamuel BernardFounder at NuMindHemini MistryPrincipal, Investor Relations at Earlybird Venture Capital
+ 7 more
Also attended ENSAE Paris26
Remi ColinmaireHead of Options Trading at CaladanFrançois RobinetManaging Partner at Atlantic Vantage PointEric M. AttiasFounder at Forepont Capital PartnersRenan DevillieresPartner, CEO at OSS VenturesThomas SpitzChief Executive Officer, Executive Director of the Flow Traders Ltd. Board at Flow TradersOlivier ChevillonFounder & CIO at DFI Labs
+ 20 more
Also attended Pierre and Marie Curie University100
Guillaume LampleCo-founder & Chief Scientist of Mistral AIThomas WolfCo-founder & Chief Science Officer of Hugging FaceJeff ClavierFounding Partner at Uncork CapitalJean SiniGeneral Partner at Partech VenturesDimitri KrempPrincipal at Axeleo CapitalJack GuedjInvestor at Sand Hill Angels
+ 94 more
Also attended Universitat Pompeu Fabra151
Morgan WaescheInvestor at OpenView Venture PartnersAniol BrosaGeneral Partner at Inveready Technology Investment GroupErnest GassóDirector at Inveready Technology Investment GroupIgnacio PuigGeneral Partner at Inveready Technology Investment GroupLaia PratsHead of Legal & ESG at Inveready Technology Investment GroupAdrià RocaDirector at Inveready Technology Investment Group
+ 145 more
Shared employers
Also worked at Datadog84
Olivier PomelCo-founder & CEO of DatadogAlexis Le-QuocCo-founder & CTO of DatadogKira BusmanInvestor at Index VenturesShardul ShahInvestor at Index VenturesKonstantine BuhlerInvestor at Sequoia CapitalDan FougereInvestor at Index Ventures
+ 78 more
Also worked at Verizon Media14
John MathenyVenture Partner at Foothill VenturesXavier A. SeguraGeneral Partner at Morgan Creek CapitalEd FriesGeneral Partner at 1Up VenturesChris LyonsGeneral Partner at Andreessen HorowitzDontae RayfordHead of Platform at Black OperatorMaxime AgostiniFounder at Sarus
+ 8 more
