Founder Directory
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Founders11
Known for these resultsRole45%Role is parsed from founder titles in yc.db. Known for 45% 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.Bio64%Bio coverage: 64% 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-company9%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 9% 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.
- Alon Zuman@alonzumanFounder/CEO · PopsX26Consumer · New York
- Miha Mlakar@MihaPopsyFounder · PopsyS22B2B · Ljubljana
- Mourad Mourafiq@mmourafiqFounder · PopsyS22B2B · Ljubljana
- Quentin Rousseau@quentinrousseauFounder and CTO (YC S21) · RootlyS21B2B · San Francisco
- Rahil Sondhi@rahilsondhiFounder/CEO · PopSQLS19B2B · San Francisco
- Richard Wu@heyrichardwuFounder · SimmerW19Consumer · San Francisco
- Vaibhav VermaFounder · SimmerW19Consumer · San Francisco
- Miha Mlakar@MihaPopsyFounder · TinglesW18Consumer · San Francisco
- Daniel WagnerFounder/Technical · LoomW12Consumer · San Francisco
- Nicolas BösFounder · LoomW12Consumer · San Francisco
- Philipp WeinFounder/Design Lead · LoomW12Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alon ZumanPopsFounder/CEOSpring 2026ConsumerNew York, United States1https://x.com/alonzumanMiha MlakarPopsy2× YCFounderSummer 2022B2BLjubljana, Slovenia2https://x.com/MihaPopsyMourad MourafiqPopsyFounderSummer 2022B2BLjubljana, Slovenia2https://x.com/mmourafiqQuentin RousseauRootlyFounder and CTO (YC S21)Summer 2021B2BSan Francisco, United States75https://x.com/quentinrousseauRahil SondhiPopSQLFounder/CEOSummer 2019B2BSan Francisco, United States15https://x.com/rahilsondhiRichard WuSimmerFounderWinter 2019ConsumerSan Francisco, United States2https://x.com/heyrichardwuVaibhav VermaSimmerFounderWinter 2019ConsumerSan Francisco, United States2—Miha MlakarTingles2× YCFounderWinter 2018ConsumerSan Francisco, United States6https://x.com/MihaPopsyDaniel WagnerLoomFounder/TechnicalWinter 2012ConsumerSan Francisco, United States2—Nicolas BösLoomFounderWinter 2012ConsumerSan Francisco, United States2—Philipp WeinLoomFounder/Design LeadWinter 2012ConsumerSan Francisco, United States2—
Showing 1–11 of 11 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
