Lewis Jones
FounderFounder at Cosmic Robotics
San Francisco, California, United States
FoundedCosmic Robotics · YC
About
Lewis Jones is co-founder and CTO at Cosmic Robotics. He previously worked as a propulsion engineer at Relativity Space and held earlier roles at SpaceX, NASA JPL, and NASA JSC. He holds a BS in Mechanical Engineering and Economics from Caltech.
Founder at Cosmic RoboticsYC S26
Intro paths
YC
Lewis went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Ankit Gupta, General Partner at Y Combinator — the partner who ran Cosmic Robotics's batch and knows the company first-hand. YC profile ↗
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In turn, Lewis can intro founders to Cosmic Robotics's investors below.
Cosmic Robotics's investors · 4
Co-founders at Cosmic Robotics
JE
James EmerickCo-founder, CEO
Experience
- Cosmic RoboticsCo-founder, CTOcurrent2023 — presentSan Francisco, California, United States
- Relativity SpacePropulsion Engineer2020 — 2023Long Beach, California, United States
- Millennium Space Systems, A Boeing CompanyStructures and Mechanisms Engineer2019Greater Los Angeles Area
- SpaceXAvionics Mechanical Design Engineer2018Hawthorne, California
- NASA Jet Propulsion LaboratoryRobotics and Mobility SURF Researcher2017Pasadena, California
- NASA - National Aeronautics and Space AdministrationThermal Analysis/Modelling Engineer2016Houston, Texas Area
Skills & more
Engineering5Design Research3Project Management5Machining5Computer-Aided Design (CAD)4Robotics4Simulations4CAD/CAM Software6Leadership8Management7SolidWorks9Microsoft Excel4
+4 more
Microsoft WordPowerPointMicrosoft OfficeThermal Analysis and ModellingFrom Lewis's professional profile.
Frequently asked questions
- Who is Lewis Jones?
- Lewis Jones is co-founder and CTO at Cosmic Robotics. He previously worked as a propulsion engineer at Relativity Space and held earlier roles at SpaceX, NASA JPL, and NASA JSC. He holds a BS in Mechanical Engineering and Economics from Caltech.
- Where does Lewis Jones work?
- Lewis Jones is Founder of Cosmic Robotics.
- What companies did Lewis Jones found?
- Lewis Jones founded Cosmic Robotics.
- Where did Lewis Jones go to school?
- Lewis Jones studied at Caltech (Bachelor’s Degrees, Mechanical Engineering); Y Combinator (S26 Batch).
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
Caltech mafia66
Also came through, then founded or led a company.
Dario AmodeiProgress towards BSFounded AnthropicFei-Fei LiDoctor of Philosophy - PhDFounded World LabsBill GrossBachelor of Science (B.S.)Founded X1 +5Chris VoigtPhDFounded Asimov +2Seth LieblichDoctor of Philosophy - PhDFounded Protomer +1Gil ElbazBSFounded TenOneTen Ventures +1
+ 59 more
Relativity Space mafia8
Also came through, then founded or led a company.
Kingsley AdvaniInvestorFounded AllocationsScott HartleyInvestorFounded StreamNativeAlexander KwanDirector Of Finance And StrategyFounded TAIBen SchleunigerLead Propulsion Components EngineerFounded Orbital OperationsRoss DohertySr. Turbomachinery Manufacturing EngineerFounded Orbital OperationsIlya KelnerStaff Flight Software EngineerFounded Red Barn Robotics
+ 1 more
Same school
Also attended Caltech144
Shaun MaguirePartner at Sequoia CapitalDario AmodeiCo-founder & CEO of AnthropicFei-Fei LiCo-founder & CEO of World Labs; Sequoia Professor of Computer Science at StanfordScott BillerInvestor at GV (Google Ventures)Seth LieblichInvestment Team at 8VCMarkus EnzelbergerPartner at Versant Ventures
+ 138 more
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
Shared employers
Also worked at Cosmic Robotics4
Also worked at Relativity Space22
Jordan NooneGeneral Partner at Embedded VenturesNancy XiaoInvestor at HeadlineJory BellGeneral Partner at Playground GlobalJerry OrzechPRINCIPAL, INVESTMENT TEAM at Crosscut VenturesRyan McCalleyManaging Partner and Founder at SQN Venture Partners, LLCWilliam AbecassisManaging Partner and CIO at Braven
+ 16 more
Also worked at SpaceX148
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberSteve JurvetsonCo-founder of Future VenturesAsanka JayasuriyaPortfolio Support at 8VCJustin RoseInvestment Team at 8VCGarry HillInvestment at Makers FundHelen LiangFounder & General Partner at FoundersX Ventures
+ 142 more
Also worked at NASA Jet Propulsion Laboratory79
Frank RotmanCo-Founder and Partner Emeritus at QED InvestorsKevin DunlapCo-Founder and Managing Partner at Calibrate VenturesRoger CarterVP of Engineering at Prime Movers LabAndrew ChanFounder · Managing Partner at Atas VCShalini HauptAssociate at Clocktower VenturesGeorge UgrasGeneral Partner at AV8 Ventures
+ 73 more