Founder Directory
Built by Keitoto
Founders3
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.Bio100%Bio coverage: 100% 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-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Safi Shamsi@safishamsiiFounder/CEO · Graphify LabsS26B2B · London
- JJ Tang@jjrichardtangFounder · RootlyS21B2B · San Francisco
- Quentin Rousseau@quentinrousseauFounder and CTO (YC S21) · RootlyS21B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Safi ShamsiGraphify LabsFounder/CEOSummer 2026B2BLondon, United Kingdom2https://x.com/safishamsiiJJ TangRootlyFounderSummer 2021B2BSan Francisco, United States75https://x.com/jjrichardtangQuentin RousseauRootlyFounder and CTO (YC S21)Summer 2021B2BSan Francisco, United States75https://x.com/quentinrousseau
Showing 1–3 of 3 founders
Safi Shamsi
Founder/CEO·Graphify Labs
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchSummer 2026
LocationLondon, United Kingdom
Company statusActive
StageEarly
BIO
Founder at Graphify Labs (YC S26). Built Graphify, an open-source knowledge graph engine that reached 100K+ GitHub stars and 4M+ PyPI downloads in about four months. Published researcher and author of The Memory Layer. MS Data Science, University of Birmingham; thesis on knowledge-graph-powered RAG systems achieving a 50% improvement in retrieval and 67% reduction in hallucinations.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Graphify LabsOn-device knowledge graph engine for enterprises
