Founder Directory
Built by Keitoto
Founders6
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.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Alexis BonnafontFounder/CTO · Excellence LearningW25Education · San Francisco
- Mattia MauroFounder/CEO · Excellence LearningW25Education · San Francisco
- Sovann LindenFounder/CPO · Excellence LearningW25Education · San Francisco
- Joachim FainbergFounder/CTO · The Forecasting CompanyS24B2B · Paris
- Marco TurettaFounder · BlinkW21Industrials · Milan
- Vivian Midha Shen@vivianmshenFounder · AcelyW18Education · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alexis BonnafontExcellence LearningFounder/CTOWinter 2025EducationSan Francisco, United States4—Mattia MauroExcellence LearningFounder/CEOWinter 2025EducationSan Francisco, United States4—Sovann LindenExcellence LearningFounder/CPOWinter 2025EducationSan Francisco, United States4—Joachim FainbergThe Forecasting CompanyFounder/CTOSummer 2024B2BParis, France7—Marco TurettaBlinkFounderWinter 2021IndustrialsMilan, Italy5—Vivian Midha ShenAcelyFounderWinter 2018EducationSan Francisco, United States30https://x.com/vivianmshen
Showing 1–6 of 6 founders
Joachim Fainberg
Founder/CTO·The Forecasting Company
PRIMARY INFO
RoleFounder/CTO
Team size7
BatchSummer 2024
LocationParis, France
Company statusActive
StageEarly
BIO
PhD in ML for speech and full-stack developer. Interned at Sonos where I built an on-device wake word detector and at Bloomberg building a large ASR system. Worked full-time at JPMorgan in their Machine Learning Center of Excellence in New York, and then at two startups, team lead ML/NLP at Consigli, a prop-tech startup, and sr algorithm engineer and full-stack at Vind AI, a SaaS for designing off-shore wind parks.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
The Forecasting Company
Foundation models for time series
Co-foundersGeoffrey Negiar@geoffnegiar
