Fundraising Fox

Baptiste Debever

Founder

Co-founder / CTO at Lucis

Paris, Île-de-France, France

FoundedLucis · YC

About

Baptiste Debever is a French engineer and repeat founder who previously worked as an engineer at Gorgias. He is now building an AI-powered health navigation platform.

Co-founder / CTO at LucisYC X25

Intro paths

YC

Baptiste 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 Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Lucis's batch and knows the company first-hand. YC profile ↗

→

In turn, Baptiste can intro founders to Lucis's investors below.

Lucis's investors · 6

Circle & Co.$130K – $780K checksClover$100K – $200K checksGeneral CatalystSan Francisco · $30M checksNorth South VenturesTorontoSingularParis · since 2026Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Lucis

MBMax Berthelot
Max BerthelotFounder

Experience

  1. Lucis (YC X25)Founder & CTOcurrent2024 — presentParis
  2. FreelanceBuilder and advisorcurrent2015 — present
  3. The Mobile-First CompanyInvestorcurrent2023 — present
  4. FiguresInvestorcurrent2021 — present
  5. Secoda (YC S21)Investor2021 — 2025
  6. ToccoCo-Founder & CTPO2022 — 2024Paris, Île-de-France, France
  7. AntlerEntrepreneur (portfolio)2022 — 2024Paris, Île-de-France, France
  8. SilenceEntrepreneur (portfolio)2022 — 2024
  9. Angle LabsGrowth Advisor2022 — 2023Paris, Île-de-France, France
  10. ArianeeGrowth Engineer2021 — 2022
  11. GorgiasGrowth Engineer2020 — 2021
  12. WeMaintainGrowth Engineer - Growth & Data2019 — 2020Paris, Île-de-France, France
  13. FeedierCo-Founder2017 — 2019Lille Area, France
  14. StudioForty9Software Engineer2017 — 2018Cork, Ireland

Skills & more

Vue.js4Amazon Web Services (AWS)2Laravel4PHP8HTML514CSS14JavaScript5MySQL8WordPress6Google Analytics3Node.jsReact.js
+12 moreArtificial Intelligence (AI)Software DevelopmentLarge Language Models (LLM)Product ManagementProduct DevelopmentProduct advisorySoftware EngineeringEntrepreneurshipGrowth MarketingStartupProject ManagementAgile Project Management

Languages English · French · Spanish

  • Climate Tech Fellow (ODCT3) — ODF
  • Reforge Growth Series — Reforge
  • TOEIC 990/990 — TOEIC® Program

From Baptiste's professional profile.

Frequently asked questions

Who is Baptiste Debever?
Baptiste Debever is a French engineer and repeat founder who previously worked as an engineer at Gorgias. He is now building an AI-powered health navigation platform.
Where does Baptiste Debever work?
Baptiste Debever is Co-founder / CTO of Lucis.
What companies did Baptiste Debever found?
Baptiste Debever founded Lucis.
Where did Baptiste Debever go to school?
Baptiste Debever studied at Y Combinator; Centrale Lille (Master Degree, Engineering).

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

Antler mafia22

Also came through, then founded or led a company.

Constantin RobertzAdvisor & Angel InvestorFounded LocadMatthew JungFounder in ResidenceFounded GroverAngie LauCommunications AdvisorFounded ForkastCan KulogluInvestment TeamFounded FoodLabsTorsten KolindStartup AdvisorFounded YouNoodleJC GlancyVisiting PartnerFounded Zenbusiness

+ 15 more

Secoda mafia3

Also came through, then founded or led a company.

Arnav SahuInvestorFounded WolfiaFaizaan ChishtieSoftware EngineerFounded Minicor

Centrale Lille mafia2

Also came through, then founded or led a company.

Samuel MarcianoEngineeringFounded Weel

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Also attended Centrale Lille8

Théau SanchezVC Investor at OneRagtimeDiogo da SilveiraFounder & IC Member at Shilling VCVictor ChamfeuilAssociate at Axeleo CapitalRemy de TonnacSenior Partner at ETF PartnersVincent MenviellePrésident de l'Advisor Committee de 115K et Directeur at 115KTeddy RamarotafikaHead of Finance at Lunar Ventures

+ 2 more

Shared employers

Also worked at The Mobile-First Company3

Antoine MoyroudPartner at Lightspeed Venture PartnersBénédicte de Raphélis SoissanFounder and General Partner at EmblemGuillaume DuraoFounder and General Partner at Emblem

Also worked at Antler169

Nicolas MetzkeInvestor at DaphniAndrea GazviniAssociate at NorthzoneOlivier GrindaVenture Partner at FJ LabsSandra MalmbergInvestor at EQT VenturesPaige SchultzInvestor at Long Ridge Equity PartnersHarikesh PushpapathanPartner at Stoic VC

+ 163 more

Also worked at Arianee3

Guillaume SimonairePartner at Founders FutureJulien RomanettoAdvisor at Voyager CapitalLuc JodetVenture Partner at XAnge