Founder Directory
Built by Keitoto
Founders3
Known for these resultsRole33%Role is parsed from founder titles in yc.db. Known for 33% 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.Bio33%Bio coverage: 33% 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.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Paul Katsen@pavtalkFounder · Gym ClassW22Consumer · San Francisco
- Don PinkusFounder/CTO · BlockspringS14B2B · Los Angeles
- Jason TokophFounder · BlockspringS14B2B · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Paul KatsenGym ClassFounderWinter 2022ConsumerSan Francisco, United States20https://x.com/pavtalkDon PinkusBlockspringFounder/CTOSummer 2014B2BLos Angeles, United States3—Jason TokophBlockspringFounderSummer 2014B2BLos Angeles, United States3—
Showing 1–3 of 3 founders
Don Pinkus
Founder/CTO·Blockspring
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2014
LocationLos Angeles, United States
Company statusAcquired
StageEarly
BIO
No bio on the YC profile. Background, credentials and discipline below are Unknown — nothing is inferred when the bio is missing.
BACKGROUND
Unknown — no bio.
Credentialsunknown
DisciplineunknownKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
BlockspringAutomate data collection for spreadsheets and productivity tools.
TagsAnalytics
Co-foundersJason Tokoph
