About
Jack Stettner is CTO at Ambral and previously worked on flight software and AI at SpaceX.
Founder at AmbralYC S25
Intro paths
YC
Jack went through Y Combinator (Summer 2025) β any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Harj Taggar, General Partner at Y Combinator β the partner who ran Ambral's batch and knows the company first-hand. YC profile β
β
In turn, Jack can intro founders to Ambral's investors below.
Ambral's investors Β· 2
Co-founders at Ambral
SB
Sam BrickmanFounder
Experience
- Ambral (YC S25)Co-Founder, CTOcurrent2025 β present
- SpaceXSpecial Projects, Falcon Flight Software Engineer II2023 β 2025Hawthorne, California, United States
- SpaceXFalcon Flight Software Engineer2022 β 2023Hawthorne, California, United States
- SpaceXFlight Software Intern2021
- SpaceXComponent Test Automation Intern2020
- AiCureSoftware Engineering Intern2019
- Blockchain.comSoftware Engineering Intern2016 β 2018
Skills & more
Java2Python (Programming Language)1JavaScriptUser Experience Design (UED)MySQLReact.jsAngular 2AngularJSAmazon Web Services (AWS)Spring FrameworkGit
From Jack's professional profile.
Frequently asked questions
- Who is Jack Stettner?
- Jack Stettner is CTO at Ambral and previously worked on flight software and AI at SpaceX.
- Where does Jack Stettner work?
- Jack Stettner is Founder of Ambral.
- What companies did Jack Stettner found?
- Jack Stettner founded Ambral.
- Where did Jack Stettner go to school?
- Jack Stettner studied at Cornell University (Bachelor's degree, Computer Science); Y Combinator; The Dalton School.
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
Cornell University mafia218
Also came through, then founded or led a company.
John ZimmerBSFounded Lyft +1Ian JanickiBachelors of ArchitectureFounded Outfit +2Ryan XueBachelor of Science (B.Sc.)Founded Andco +2Don MuirDyson School of BusinessFounded Arc +2Uri LopatinBAFounded Pardes Biosciences +1David SteinbergBAFounded Restorbio +1
+ 211 more
Blockchain mafia11
Also came through, then founded or led a company.
Laurens GroenendijkPrivate InvestorFounded Hiber +1Nicolas HourcardCorporate StrategyFounded QuestDB +1Tancrede CollardCryptocurrency TraderFounded QuestDB +1Vlad IlyushchenkoExchange Infrastructure DeveloperFounded QuestDB +1Monica Desai WeissOperations & StrategyFounded Manifest OSAmadeo PellicceSenior Product ManagerFounded OpenInt
+ 4 more
The Dalton School mafia5
Also came through, then founded or led a company.
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Same school
Also attended Cornell University748
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerJenny LeeSenior Managing Partner at Granite AsiaNeeraj AgrawalGeneral Partner at Battery VenturesJohn ZimmerCo-founder of LyftMichelle FernandesInvestor at Index VenturesMicah RosenbloomGeneral Partner at Founder Collective
+ 742 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
Also attended The Dalton School16
Ben LererManaging Partner at Lerer HippeauJeff WeinsteinPartner at FJ LabsDerek GouldGeneral Counsel / Chief Compliance Officer at LogosEric HelfgottPrincipal at LowercarbonDavid CreminFounder and Managing Partner at Frontier Venture CapitalAndrew SheinDirector at Chartwell Investments Entrepreneur & Founder Capital
+ 10 more
Shared employers
Also worked at Ambral (YC S25)1
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
