Founder Directory
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Founders2
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% 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.
- Dawson Chen@darweenistFounder · LetterbookS23B2B · San Francisco
- Ethan HouFounder · LetterbookS23B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Dawson ChenLetterbookFounderSummer 2023B2BSan Francisco, United States2https://x.com/darweenistEthan HouLetterbook2× YCFounderSummer 2023B2BSan Francisco, United States2—
Showing 1–2 of 2 founders
Ethan Hou
Founder·Letterbook
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchSummer 2023
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- S23LetterbookActive · this entry
- W24Blume BenefitsInactive
COMPANY CONTEXT
LetterbookAI-native customer support platform
Co-foundersDawson Chen@darweenist
Also founded · 1 more YC company
Blume BenefitsInactiveWinter 2024The AI copilot for health insurance brokers.
FintechSan Francisco, United States3Open this entry
