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
Jason Tokoph
Founder·Blockspring
PRIMARY INFO
RoleFounder· not in title
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-foundersDon Pinkus
