Find your path to Jack
1,437 people in our graph share verified history with Jack — schools, employers, funds. One of them is your warm intro.
Mike ZakunlockedJack: together at Cornell (2018–2021)
Jack: together at Cornell
×2Jack: together at Blockchain
×7Jack: together at Y Combinator
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) — 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 — the partner who ran Ambral's batch and knows the company first-hand. YC profile ↗
→
In turn, Jack can intro founders to Ambral's investors below.
Ambral's investors · 2
Co-founders at Ambral
SB
Sam BrickmanFounder
Experience
- Ambral (YC S25)Co-Founder, CTOcurrent2025 — present
- SpaceXSpecial Projects, Falcon Flight Software Engineer II2023 — 2025Hawthorne, California, United States
- SpaceXFalcon Flight Software Engineer2022 — 2023Hawthorne, California, United States
- SpaceXFlight Software Intern2021
- SpaceXComponent Test Automation Intern2020
- AiCureSoftware Engineering Intern2019
- Blockchain.comSoftware Engineering Intern2016 — 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 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
Cornell mafia535
Also came through, then founded or led a company.
John ZimmerBSFounded LyftDavid SteinbergBAFounded Restorbio +3Hanson S. Gifford, IIIBSMEFounded Miramar Labs +3Emin Gun SirerAssociate ProfessorFounded Ava Labs +3Uri LopatinBAFounded Assemblybio +2Aniq RahmanB.S.Founded Ucmdigitalhealth +2
+ 528 more
Blockchain mafia13
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 +1Samuel HarrisonManaging PartnerFounded NominalAmadeo PellicceSenior Product ManagerFounded OpenInt
+ 6 more
The Dalton School mafia6
Also came through, then founded or led a company.
AiCure mafia2
Also came through, then founded or led a company.
Same school
Also attended Cornell University1,396
Jenny LeeSenior Managing Partner at Granite AsiaNeeraj AgrawalGeneral Partner at Battery VenturesJohn ZimmerCo-founder of LyftMichelle FernandesInvestor at Index VenturesMike ZakInvestor at CRV (Charles River Ventures)Micah RosenbloomGeneral Partner at Founder Collective
+ 1,390 more
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 VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended The Dalton School20
Ben LererManaging Partner at Lerer HippeauJeff WeinsteinPartner at FJ LabsDerek GouldGeneral Counsel / Chief Compliance Officer at LogosJillian WilliamsPartner at Field VenturesEric HelfgottPrincipal at LowercarbonDavid CreminFounder and Managing Partner at Frontier Venture Capital
+ 14 more
Shared employers
Also worked at Ambral (YC S25)1
Also worked at SpaceX240
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
+ 234 more
Also worked at AiCure8
Brian HirschCo-Founder and Partner at Tribeca Venture PartnersMichael KimManaging Director at SingTel Innov8 Pte Ltd.Jeff AndersonGeneral Partner at Palisades Growth CapitalAlex PoonFounder at CharmVerseSondra PepeExecutive Officer at Deep 6 AIBrian HirschGeneral Partner at Tribeca Access
+ 2 more
Also worked at Blockchain.com32
Marcie VuPartner at GreycroftToby CoppelCo-founder and Partner at Mosaic VenturesRama SomayajulaHead of Trading at ParadigmTrey BrunsonOperations Manager, Crypto at Tribe Capital FirstlookSamuel HarrisonManaging Partner at FactionLulu ChangPrincipal at Canapi Ventures
+ 26 more