Daniel Tulha Hochstetler
FounderFounder at Astor
San Francisco, California, United States
FoundedAstor · YC
Find your path to Daniel
942 people in our graph share verified history with Daniel — schools, employers, funds. One of them is your warm intro.
Laura BuhlerunlockedDaniel: together at Stripe (2025)
×6Daniel: together at Stripe
×3Daniel: together at Robinhood
Daniel: together at USP - Universidade de São Paulo
About
Daniel Tulha Hochstetler has held engineering and technical leadership roles at Stripe, Robinhood, and Amazon. He is now CTO at Astor, where he works on AI tools for retail investing.
Founder at AstorYC S25
Intro paths
YC
Daniel 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 Jon Xu, General Partner at Y Combinator — the partner who ran Astor's batch and knows the company first-hand. YC profile ↗
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In turn, Daniel can intro founders to Astor's investors below.
Astor's investors · 7
468 CapitalBerlin · since 2026Aurora CapitalLos AngelesGilgamesh VenturesNew York City · $150K – $500K checks · since 2026Goodwater CapitalBurlingame · $5M – $50M checks · since 2026MONASHEESSão Paulo · $10M checks · since 2026Sunshine LakeN Las Vegas · since 2026Y CombinatorSan Francisco · $500K checks · since 2025
Co-founders at Astor
BK
Bruno KobaFounder
Experience
- Astor (YC S25)Co-founder & CTOcurrent2025 — presentSan Francisco Bay Area
- StripeSoftware Engineer2022 — 2025San Francisco Bay Area
- RobinhoodBackend Software Engineer2021
- StripeSoftware Engineer2021
- AmazonSoftware Development Engineer - Alexa Video2021United States
- PaylocitySoftware Engineer2020
- Purdue Computer ScienceUndergraduate Teaching Assistant - CS 2502020Lafayette, Indiana Metropolitan Area
- B3Information Security Intern2019Greater São Paulo Area
Skills & more
Java4Python (Programming Language)2JavaScript1Github1HTML51Cascading Style Sheets (CSS)1C (Programming Language)1C#1Git1ReactNode.jsRuby
+8 more
Microsoft OfficeREST APIsMongoDBSQLDjangoGoogle DriveAndroid StudioExpress.jsLanguages English · Portuguese
- Advanced Software Engineering Course — CodePath
- Every Boiler Engineer Codes - Intermediate Level Python — Purdue University College of Engineering
- Threat Defense Workshop — TrendAI
- Introduction to Computer Science with Python - Universidade de São Paulo — Coursera
From Daniel's professional profile.
Frequently asked questions
- Who is Daniel Tulha Hochstetler?
- Daniel Tulha Hochstetler has held engineering and technical leadership roles at Stripe, Robinhood, and Amazon. He is now CTO at Astor, where he works on AI tools for retail investing.
- Where does Daniel Tulha Hochstetler work?
- Daniel Tulha Hochstetler is Founder of Astor.
- What companies did Daniel Tulha Hochstetler found?
- Daniel Tulha Hochstetler founded Astor.
- Where did Daniel Tulha Hochstetler go to school?
- Daniel Tulha Hochstetler studied at Y Combinator; Purdue University (Bachelor's degree, Computer Science); USP - Universidade de São Paulo (Bachelor's degree, Information Systems).
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
Purdue University mafia187
Also came through, then founded or led a company.
Gaurav SantBSCEFounded CarbonBuilt +2Vu LamMSEEFounded Katalon +2John GedmarkBachelor of ScienceFounded Astranis Space Technologies Corp. +1Aaron SistoBSFounded Searchable AI +1Ignacio MartinezAgribusiness Leadership PlusFounded Cibo Technologies +1Jack O'MearaBachelor’s DegreeFounded Aerska +1
+ 180 more
Stripe mafia152
Also came through, then founded or led a company.
Hemant TanejaInvestor (former Board Member)Founded Hippocratic AIMatt HuangBoard MemberFounded Paradigm +1Patrick CollisonCo-founder & CEOFounded AuctomaticGreg BrockmanFounding Engineer, then first CTOFounded OpenaiDaniela AmodeiEarly employee — Risk ManagerFounded AnthropicArvid LunnemarkSoftware EngineeringFounded Cursor
+ 145 more
USP - Universidade de São Paulo mafia58
Also came through, then founded or led a company.
Cristina JunqueiraMaster of ScienceFounded Nubank +1Maria FujiharaMaster's degreeFounded SINAI Technologies Inc. +2Patrick SigristBachelorFounded IORQ +1Matheus RiolfiUndergraduationFounded Tint Technologies +1Saulo TristaoBachelor's degreeFounded FacioHenrique DantasBachelor's degreeFounded Sanctu
+ 51 more
Robinhood mafia38
Also came through, then founded or led a company.
Vlad TenevCo-founder & CEOFounded HarmonicBaiju BhattCo-founderFounded Cowboy Space CorporationAyan BandyopadhyaySoftware EngineerFounded Finic +1Jason FanSenior Product ManagerFounded Hypercare +1Pryce A. YebesiSoftware EngineerFounded Open Ledger +1Austin HayMartech AdvisorFounded Clarify AI
+ 31 more
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 VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended Purdue University463
Mamoon HamidPartner at Kleiner PerkinsNabeel HyattInvestor helping founders and working on AI that enables human creativity and agencyKenneth Morand, Ph.D.Life Sciences Partner at CincyTechJane CommerfordOperations at 8VCSven StrohbandInvestor at Khosla VenturesJeff PetersPartner at Ibex Investors
+ 457 more
Also attended USP - Universidade de São Paulo170
Cristina JunqueiraCo-founder of NubankAlexandra DubarInvestor at DaphniMichel AbadiManaging Partner at Maverick Ventures IsraelBruno YoshimuraCo-founder and General Partner at Onevc Venture Partners LlcGustavo RibasInvestor at KfundPaulo VerasInvestor at MatterScale Ventures
+ 164 more
Shared employers
Also worked at Astor (YC S25)1
Also worked at Stripe244
Hemant TanejaCEO & Managing Director of General CatalystMatt HuangCo-founder and Managing Partner at ParadigmLuciana LixandruPartner at Sequoia CapitalPatrick CollisonCo-founder & CEO of StripeJohn CollisonCo-founder & President of StripeGreg BrockmanCo-founder & President of OpenAI
+ 238 more
Also worked at Amazon1,091
Apoorva MehtaFounder of Instacart; founder of Cloud Health SystemsBinny BansalCo-founder of Flipkart; co-founder of PhonePe and OppDoorBrad PorterFounder & CEO of Collaborative RoboticsJane MooneyCo-founder & VP, Strategy and Finance at Collaborative RoboticsNick FrosstCo-founder of CohereViswa SankaranarayananVenture Partner at Monta Vista Capital
+ 1,085 more
Also worked at Paylocity6
BradAdvisor at Clear VenturesGina ThompsonSenior Recruiter at Arthur VenturesAndrew DonInvestment Committee Member at Propellant VenturesMike EhlersChief Technology Officer at PlanSource Benefits AdministrationMichael HaskeExecutive Officer, Director at Krista SoftwareGordan RedzicChief Technology Officer at WellRight
