Founder Directory
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Founders13
Known for these resultsRole15%Role is parsed from founder titles in yc.db. Known for 15% 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-company31%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 31% of these rows have at least one match.School69%School is matched from bios, case-sensitive for acronyms. 69% of these rows have at least one match.
- Peter VajdaFounder · PerfectBit, Inc.X26B2B · San Francisco
- Seiji YamamotoFounder · PerfectBit, Inc.X26B2B · San Francisco
- Adam WinnifrithFounder/CEO · Evolvere BioSciencesS24Healthcare · Oxford
- Piotr JedryszekFounder/CTO · Evolvere BioSciencesS24Healthcare · Oxford
- Weronika SlesakFounder · Evolvere BioSciencesS24Healthcare · Oxford
- Ahmed Gaber@i_sicoFounder · DiligentS23Fintech · London
- Edoardo Maschio@edoardo_maschioFounder · DiligentS23Fintech · London
- Matt Hardy@mdahardyFounder · Proof of HumanS23B2B · San Francisco
- Mayank Agrawal@mayankagrawalFounder · Proof of HumanS23B2B · San Francisco
- Dhruv MangtaniFounder · Notebook LabsS22B2B · San Francisco
- Nathaniel Masfen-Yan@natrhmyFounder · Notebook LabsS22B2B · San Francisco
- Solal AfotaFounder · Notebook LabsS22B2B · San Francisco
- Alla ArzumanyanFounder · SFA TherapeuticsS21Healthcare · Philadelphia
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Peter VajdaPerfectBit, Inc.FounderSpring 2026B2BSan Francisco, United States2—Seiji YamamotoPerfectBit, Inc.FounderSpring 2026B2BSan Francisco, United States2—Adam WinnifrithEvolvere BioSciencesFounder/CEOSummer 2024HealthcareOxford, United Kingdom3—Piotr JedryszekEvolvere BioSciencesFounder/CTOSummer 2024HealthcareOxford, United Kingdom3—Weronika SlesakEvolvere BioSciencesFounderSummer 2024HealthcareOxford, United Kingdom3—Ahmed GaberDiligentFounderSummer 2023FintechLondon, United Kingdom10https://x.com/i_sicoEdoardo MaschioDiligentFounderSummer 2023FintechLondon, United Kingdom10https://x.com/edoardo_maschioMatt HardyProof of HumanFounderSummer 2023B2BSan Francisco, United States4https://x.com/mdahardyMayank AgrawalProof of HumanFounderSummer 2023B2BSan Francisco, United States4https://x.com/mayankagrawalDhruv MangtaniNotebook LabsFounderSummer 2022B2BSan Francisco, United States3—Nathaniel Masfen-YanNotebook LabsFounderSummer 2022B2BSan Francisco, United States3https://x.com/natrhmySolal AfotaNotebook LabsFounderSummer 2022B2BSan Francisco, United States3—Alla ArzumanyanSFA TherapeuticsFounderSummer 2021HealthcarePhiladelphia, United States4—
Showing 1–13 of 13 founders
Nathaniel Masfen-Yan
Founder·Notebook Labs
PRIMARY INFO
RoleFounder· not in title
Team size3
BatchSummer 2022
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
Nathaniel has a background in mathematics and theoretical computer science, completing graduate cryptography courses at Stanford and competing in the International Mathematical Olympiad for New Zealand.
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
Notebook LabsDecentralized, anonymous, and accountable identity on Web3.
