Bruno Koba
FounderFounder at Astor
Sao Paulo, Brazil
Writes $250K – $5M checks · typically $3M
FoundedAstor · YC
Founder at AstorYC S25
Intro paths
YC
Bruno 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 ↗
→
In turn, Bruno can intro founders to Astor's investors below.
Astor's investors · 6
Co-founders at Astor
DT
Daniel Tulha HochstetlerFounder
Experience
Skills & more
Machine Learning13Startups5Entrepreneurship5Data Analysis10Software Engineering6Business Intelligence6Microsoft Excel13Microsoft PowerPoint7Microsoft Office6Microsoft Project2Python4
Languages English · Portuguese · Spanish
- Series 65 — FINRA
From Bruno's professional profile.
Frequently asked questions
- Who is Bruno Koba?
- Investor at Gaus (YC S25)
- Where does Bruno Koba work?
- Bruno Koba is Founder of Astor.
- What check size does Bruno Koba write?
- Bruno Koba typically writes checks of $250K – $5M.
- What companies did Bruno Koba found?
- Bruno Koba founded Astor.
- Where did Bruno Koba go to school?
- Bruno Koba studied at Stanford University Graduate School of Business (Master of Business Administration - MBA); Escola Politécnica da USP (Bachelor of Engineering - BE, Industrial Engineering); Shibaura Institute of Technology (Bachelor of Engineering - BE, Industrial Engineering).
Founder mafias
Y Combinator mafia8,773
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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
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Stanford University Graduate School of Business mafia267
Also came through, then founded or led a company.
Steve JurvetsonMaster of Business Administration (MBA)Founded Mojo VisionTony XuMBAFounded DoorDashDavid VélezMBAFounded NubankMatt RouifStanford Ignite (Summer Institute for Entrepreneurship)Founded Photoroom +3IanMaster of Business Administration (M.B.A.)Founded Immunity Project +2Mikhail KokorichStanford Executive ProgramFounded Destinus +2
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Nubank mafia10
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David MarcusMember Board of DirectorsFounded LightsparkBrian BrooksBoard member, Nubank N.A. (in organization)Founded BitfuryFrancisco "Kiko" H. de MelloProduct ManagerFounded Qulture.RocksJose AkleHead of Engineering - MexicoFounded OkaniNoe BranaganEngineering LeaderFounded ArgovoxBianca OrsiniSenior Product Manager and Squad LeadFounded Drip
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Escola Politécnica da USP mafia8
Also came through, then founded or led a company.
Gabriel SaruhashiBachelor’s DegreeFounded Reconnect +1Fernando MartinsMaster of Science - MSFounded AgroToolsCarlos AngrisanoEngineer's DegreeFounded RedventuresDiego FischerBSFounded CARUPIMario MarcocciaBSFounded Compra RápidaDouglas LopesBachelorFounded Onyx Private
+ 1 more
Colégio Bandeirantes mafia3
Also came through, then founded or led a company.
Same school
Also attended Stanford University Graduate School of Business1,385
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberPeter FentonGeneral Partner at BenchmarkSteve JurvetsonCo-founder of Future VenturesDavid SzeAdvisory Partner at GreylockKatherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)Hunter WalkCo-founder & Partner at Homebrew
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Also attended Escola Politécnica da USP32
Lucas VassaloInvestor at Riverwood CapitalFernando MartinsDirector, Cyber at Bright Pixel CapitalLucas VilanovaPartner at Base PartnersPedro ReisInvestments at Base PartnersDaniela CarneiroInvestor at HeadlineAlice LepiqueVice President at Onevc Venture Partners Llc
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Also attended Shibaura Institute of Technology1
Also attended Colégio Bandeirantes10
Fernando MartinsDirector, Cyber at Bright Pixel CapitalAndre OcunoOperating Partner at Parceiro VenturesGabriela MugnolImpact Manager at Circulate CapitalFrederico GreveManaging Partner at DGFRaul Apovian KayataInvestor at BNP Paribas DéveloppementRaquel DiasPartner at Canary
+ 4 more
Shared employers
Also worked at Astor1
Also worked at Stanford University Graduate School of Business180
Michael McBrideInvestor at GV (Google Ventures)Elliot GeidtManaging Director at Redpoint VenturesRenee ShahPartner at Redpoint VenturesDeena ShakirPartner at Lux CapitalBlair ShaneInvestor at IVP (Institutional Venture Partners)Jules MaltzInvestor at IVP (Institutional Venture Partners)
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