Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole50%Role is parsed from founder titles in yc.db. Known for 50% 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.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Anish Mariathasan@mariathasanishFounder/CEO · OsseusS26B2B
- Liam Collins@liam_a_collinsFounder/CEO · ProxisS24B2B · San Francisco
- Fengjiao PengFounder · ShortbreadW23Consumer · San Francisco
- Tooraj ArvajehFounder · Perl StreetW22Fintech · Sydney
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Anish MariathasanOsseusFounder/CEOSummer 2026B2BUnknown2https://x.com/mariathasanishLiam CollinsProxisFounder/CEOSummer 2024B2BSan Francisco, United States3https://x.com/liam_a_collinsFengjiao PengShortbreadFounderWinter 2023ConsumerSan Francisco, United States4—Tooraj ArvajehPerl StreetFounderWinter 2022FintechSydney, Australia4—
Showing 1–4 of 4 founders
Tooraj Arvajeh
Founder·Perl Street
PRIMARY INFO
RoleFounder· not in title
Team size4
BatchWinter 2022
LocationSydney, Australia
Company statusActive
StageEarly
BIO
Tooraj Arvajeh has 20+ years of experience in developing, financing, and operating $1B+ new infrastructure and climate-tech projects across the world. Tooraj has worked in senior engineering, project origination, and research roles at Arup, Hatch, and the Building Performance Lab. Tooraj holds degrees in mechanical engineering and business from the University of Waterloo, Columbia Business School, London Business School, and the University of Hong Kong.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
