Founder Directory
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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
Quentin Rousseau
Founder and CTO (YC S21)·Rootly
PRIMARY INFO
RoleFounder and CTO (YC S21)
Team size75
BatchSummer 2021
LocationSan Francisco, United States
Company statusActive
StageGrowth
BIO
- Early Site Reliability Engineer (SRE) at Instacart and built resilient systems now handling millions of orders. - 2x Co-Founder at Rootly (YC S21) and PopSQL (YC S19). - Originally from France, loves rock climbing, and unsurprisingly great wine!
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
First YC company on record
COMPANY CONTEXT
Rootly
AI-native on-call and incident response carefully crafted to help…
Co-foundersJJ Tang@jjrichardtang
