Founder Directory
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Founders111
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio95%Bio coverage: 95% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company34%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 34% of these rows have at least one match.School41%School is matched from bios, case-sensitive for acronyms. 41% of these rows have at least one match.
- Zachary Yu@thezacharyyuFounder/CEO · BelvedirS26B2B · San Francisco
- Karan RainaFounder/CTO · HyperProbeS26B2B · San Francisco
- Shailendra SinghFounder/CEO · HyperProbeS26B2B · San Francisco
- Ramtin Shahzanian@42RamtinFounder/CEO · MagmaS26B2B · San Francisco
- Anish Mariathasan@mariathasanishFounder/CEO · OsseusS26B2B
- Ayush PatelFounder/CTO · OsseusS26B2B
- Cameron Malloy@CameronMalloy_Founder/CTO · StudioS26B2B · San Francisco
- Nikita MullangiFounder/CEO · StudioS26B2B · San Francisco
- Varun WadhwaFounder/CTO · TraceforceS26B2B · San Francisco
- Xia HuaFounder/CEO · TraceforceS26B2B · San Francisco
- Aamir PoonawallaFounder/CTO · Understudy LabsS26B2B · San Francisco
- Luis Manrique@lluismanriqueFounder/CEO · Understudy LabsS26B2B · San Francisco
- Tony Gao@togao0Founder/CEO · FuchsiaX26B2B · San Francisco
- Arseniy Shishaev@arseniyswishFounder/CTO · SuperlogX26B2B · San Francisco
- Nicolò Magnante@nicolomagnanteFounder/CEO · SuperlogX26B2B · San Francisco
- Christopher AckerFounder/CEO · Carrot LabsW26B2B · San Francisco
- Yuta Baba@yuta__babaFounder · Carrot LabsW26B2B · San Francisco
- Mohammed Al-Rasheed@qtreplayzFounder · ModaW26B2B · San Francisco
- Pranav Bedi@pranavbediFounder · ModaW26B2B · San Francisco
- Oscar AdamssonFounder/CPO · StiltaW26B2B · Stockholm
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Zachary YuBelvedirFounder/CEOSummer 2026B2BSan Francisco, United States1https://x.com/thezacharyyuKaran RainaHyperProbeFounder/CTOSummer 2026B2BSan Francisco, United States8—Shailendra SinghHyperProbeFounder/CEOSummer 2026B2BSan Francisco, United States8—Ramtin ShahzanianMagmaFounder/CEOSummer 2026B2BSan Francisco, United States1https://x.com/42RamtinAnish MariathasanOsseusFounder/CEOSummer 2026B2BUnknown2https://x.com/mariathasanishAyush PatelOsseusFounder/CTOSummer 2026B2BUnknown2—Cameron MalloyStudioFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/CameronMalloy_Nikita MullangiStudioFounder/CEOSummer 2026B2BSan Francisco, United States2—Varun WadhwaTraceforceFounder/CTOSummer 2026B2BSan Francisco, United States2—Xia HuaTraceforceFounder/CEOSummer 2026B2BSan Francisco, United States2—Aamir PoonawallaUnderstudy Labs2× YCFounder/CTOSummer 2026B2BSan Francisco, United States2—Luis ManriqueUnderstudy LabsFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/lluismanriqueTony GaoFuchsiaFounder/CEOSpring 2026B2BSan Francisco, United States3https://x.com/togao0Arseniy ShishaevSuperlogFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/arseniyswishNicolò MagnanteSuperlogFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/nicolomagnanteChristopher AckerCarrot LabsFounder/CEOWinter 2026B2BSan Francisco, United States2—Yuta BabaCarrot LabsFounderWinter 2026B2BSan Francisco, United States2https://x.com/yuta__babaMohammed Al-RasheedModaFounderWinter 2026B2BSan Francisco, United States6https://x.com/qtreplayzPranav BediModaFounderWinter 2026B2BSan Francisco, United States6https://x.com/pranavbediOscar AdamssonStiltaFounder/CPOWinter 2026B2BStockholm, Sweden4—
Showing 1–20 of 111 founders
Tobias Estreen
Founder·Stilta
PRIMARY INFO
RoleFounder· not in title
Team size4
BatchWinter 2026
LocationStockholm, Sweden
Company statusActive
StageEarly
BIO
Tobias is co-founder of Stilta. Previously at QuantumBlack (McKinsey & Company), he led teams developing agentic AI systems for global clients. He is a second-time founder with a background in physics and machine learning from KTH and KU Leuven, bringing deep technical expertise and a track record of building AI systems for complex, high-stakes environments.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
Serial founder · self-declared
COMPANY CONTEXT
Stilta
Agentic AI for intellectual property
