Daniel Tulha Hochstetler
FounderFounder at Astor
San Francisco, California, United States
FoundedAstor · YC
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 · 6
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 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
Stripe mafia91
Also came through, then founded or led a company.
Matt HuangBoard MemberFounded HotspotsPatrick CollisonCo-founder & CEOFounded AuctomaticGreg BrockmanFounding Engineer, then first CTOFounded OpenAIDaniela AmodeiEarly employee — Risk ManagerFounded AnthropicArvid LunnemarkSoftware EngineeringFounded CursorParker ConradMember Board of DirectorsFounded Zenefits +1
+ 84 more
Purdue University mafia79
Also came through, then founded or led a company.
Gaurav SantBSCEFounded CarbonBuilt +2Aaron SistoBSFounded Searchable AI +1Ignacio MartinezAgribusiness Leadership PlusFounded Cibo Technologies +1Jack O'MearaBachelor’s DegreeFounded Aerska +1Patrick SigristMaster’s DegreeFounded IORQ +1John BohlmannB.Sci.Founded Spacefund +1
+ 72 more
Robinhood mafia28
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 +1Sriram Bhargav KarnatiHead of Blockchain EngineeringFounded TheyaIgor GladkoborodovStaff Software EngineerFounded Coub
+ 21 more
Same school
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 Purdue University203
Mamoon HamidPartner at Kleiner PerkinsKenneth Morand, Ph.D.Life Sciences Partner at CincyTechJane CommerfordOperations at 8VCSven StrohbandInvestor at Khosla VenturesJeff PetersPartner at Ibex InvestorsKenneth MorandLife Sciences Partner at CincyTech
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+ 197 more
Also attended USP - Universidade de São Paulo107
Alexandra 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 VenturesRomero RodriguesInvestor at Headline
+ 101 more
Shared employers
Also worked at Astor (YC S25)1
Also worked at Stripe186
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
+ 180 more
Also worked at Amazon645
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 CohereDave MunichielloInvestor at GV (Google Ventures)
+ 639 more
