Founder Directory
Built by Keitoto
Founders9
Known for these resultsRole89%Role is parsed from founder titles in yc.db. Known for 89% 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-company22%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 22% of these rows have at least one match.School44%School is matched from bios, case-sensitive for acronyms. 44% of these rows have at least one match.
- Cole Robertson@cole__robertsonFounder/CTO · RebulkS25B2B · Olathe
- Warren Wijaya WangFounder/COO · RebulkS25B2B · Olathe
- Gray Newfield@gray_newfieldFounder/CEO · CharmF24Consumer · New York
- Noah Newfield@NoahNewfieldFounder/COO · CharmF24Consumer · New York
- Finn Mallery@fin465Founder/CEO · OrigamiF24B2B · San Francisco
- Kenson ChungFounder/CTO · OrigamiF24B2B · San Francisco
- Charlotte McGinn@charmcgiFounder · CashmereW22Fintech · San Francisco
- David LangerFounder/CEO · ZestyW14B2B · San Francisco
- James Tamplin@jamestamplinFounder/CEO · FirebaseS11B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Cole RobertsonRebulkFounder/CTOSummer 2025B2BOlathe, United States3https://x.com/cole__robertsonWarren Wijaya WangRebulkFounder/COOSummer 2025B2BOlathe, United States3—Gray NewfieldCharmFounder/CEOFall 2024ConsumerNew York, United States1https://x.com/gray_newfieldNoah NewfieldCharmFounder/COOFall 2024ConsumerNew York, United States1https://x.com/NoahNewfieldFinn MalleryOrigamiFounder/CEOFall 2024B2BSan Francisco, United States10https://x.com/fin465Kenson ChungOrigamiFounder/CTOFall 2024B2BSan Francisco, United States10—Charlotte McGinnCashmereFounderWinter 2022FintechSan Francisco, United States3https://x.com/charmcgiDavid LangerZestyFounder/CEOWinter 2014B2BSan Francisco, United States51—James TamplinFirebaseFounder/CEOSummer 2011B2BSan Francisco, United States500https://x.com/jamestamplin
Showing 1–9 of 9 founders
Cole Robertson
Founder/CTO·Rebulk
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2025
LocationOlathe, United States
Company statusActive
StageEarly
BIO
Co-Founder and CTO of Rebulk. Previously Head of Engineering at Chipp, an AI startup, and engineer #3 at Tropic, where he helped scale the company from seed to Series B. Earlier experience includes developing aviation products at Garmin. Also built a SaaS consulting business focused on MVP development, generating $300K in just over a year.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
