Founder Directory
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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
Alexis Bonnafont
Founder/CTO·Excellence Learning
PRIMARY INFO
RoleFounder/CTO
Team size4
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
After earning a degree in Physics and Computer Science from École Polytechnique, I moved to the Bay Area to pursue a Research Master’s in Energy Science Engineering at Stanford University. I am now excited to join Y Combinator’s Winter 2025 batch and embark on this exciting entrepreneurial journey!
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Excellence LearningAI tutor starting with maths and science
IndustryEducation
Websiteexcellence-ai.com/
Team size4
X—
LocationSan Francisco, United States
BatchWinter 2025
