About
Tom Achache is co-founder and CTO of Unisson. He previously led perception work at Chef Robotics, where he built vision-language agents for robotic systems deployed in production environments, and earlier led perception at Ambient.ai.
Founder/CTO at UnissonYC W26
Intro paths
YC
Tom 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 Diana Hu, General Partner at Y Combinator — the partner who ran Unisson's batch and knows the company first-hand. YC profile ↗
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In turn, Tom can intro founders to Unisson's investors below.
Unisson's investors · 1
Co-founders at Unisson
VM
Varun MathurFounder/CEO
Experience
- Unisson (YC W26)Co-Founder & CTOcurrent2026 — presentSan Francisco, California, United States
- Chef RoboticsPerception Engineer2023 — 2026San Francisco, California, United States
- Ambient.aiApplied Research Scientist - Machine Perception2021 — 2023Palo Alto, California, United States
- SLAC National Accelerator LaboratoryMachine Learning Research Intern2020Menlo Park, California, United States
- Université de TokyoAI/Neuroscience Research Intern2019Tokyo, Japon
- Pzartech Ltd.Software Engineer Intern2018Tel Aviv - Jaffa, Tel Aviv District, Israel
- Gendarmerie NationaleOfficer Cadet2016 — 2017France
- AP-SwissIntern2016Geneva, Switzerland
Skills & more
Machine LearningComputer VisionData AnalysisMicrosoft Office3Python2Java1Anglais2C++LaTeXCImage processingCaml
From Tom's professional profile.
Frequently asked questions
- Who is Tom Achache?
- Tom Achache is co-founder and CTO of Unisson. He previously led perception work at Chef Robotics, where he built vision-language agents for robotic systems deployed in production environments, and earlier led perception at Ambient.ai.
- Where does Tom Achache work?
- Tom Achache is Founder/CTO of Unisson.
- What companies did Tom Achache found?
- Tom Achache founded Unisson.
- Where did Tom Achache go to school?
- Tom Achache studied at Y Combinator; Columbia University (Master's degree, Computer Science); École Polytechnique (Master of Science - MS (Cycle Ingénieur Polytechnicien), Computer Science).
Founder mafias
Y Combinator mafia8,773
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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
Columbia University mafia200
Also came through, then founded or led a company.
Ben HorowitzBAFounded OpswareChris DixonBachelor of Arts - BAFounded HunchKai-Fu LeeA.B.Founded 01Robin ChanB.A.Founded Operator +2Kevin M. SlawinB.A.Founded Perseus SENOLYTIX +2Joey LevyBachelor of Arts (B.A.)Founded Draftpot +2
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École Polytechnique mafia70
Also came through, then founded or led a company.
Arthur MenschMaster of ScienceFounded Mistral AIThomas WolfFounded Hugging FaceRodolphe ArdantPhysicsFounded SpendeskMatt RouifB.SFounded Photoroom +3Anne OsdoitMaster of Science (MS)Founded Moon Surgical +2Jean Yves StephanIngénieur de l'Ecole Polytechnique (Master's degree)Founded Data Mechanics +1
+ 63 more
Lycée Saint Louis mafia6
Also came through, then founded or led a company.
Same school
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
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Also attended École Polytechnique161
Arthur MenschCo-founder & CEO of Mistral AIThomas WolfCo-founder & Chief Science Officer of Hugging FaceRodolphe ArdantFounder & President of SpendeskCyriac ParisotInvestor at Index VenturesPauline BoucherInvestor at DaphniMichal NatoraSenior Investment Director - Industrial IT & Robotics at Emerald Technology Ventures Ag
+ 155 more
Also attended Lycée Saint Louis19
Sofia DahouneInvestor at DaphniNicolas El BazeSenior Advisor at Partech VenturesJuliette Raoul-FortésaInvestment Manager at CapagroWassim NejjarAnalyst at SET VenturesHugo TranzerAssociate at AdelieGuillaume GrasInvestment Director at European Circular Bioeconomy Fund
+ 13 more
Shared employers
Also worked at Unisson (YC W26)1
Also worked at Chef Robotics7
Mohan KumarInvestor at Pentathlon VenturesGeorge ThangaduraiOperating Partner at Avataar Venture PartnersCarl ShowalterFund Advisor at TSVCMike RubinoHead of Talent at AI FundRajat BhageriaPartner at Afore CapitalRajat BhageriaInvestor at Prototype Capital
+ 1 more
Also worked at Ambient.ai4
Also worked at SLAC National Accelerator Laboratory12
Loubaba El AyoubiInvestor at NorthzoneAlex MorganInvestor at Khosla VenturesKevin WeilOperator in Residence at Scribble VenturesYubo ZhouVenture Partner, China at Lair East LabsAshley PilipiszynVenture Partner at Growth Warrior CapitalSila KiliccoteBreakthrough Energy Ventures at Breakthrough Energy Ventures
+ 6 more