Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole25%Role is parsed from founder titles in yc.db. Known for 25% 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.School25%School is matched from bios, case-sensitive for acronyms. 25% of these rows have at least one match.
- Bobby Zhong@bobbyzhong333Founder/CEO · BurtW26B2B · San Francisco
- Ari BaranianFounder · PirrosW23B2B · Los Angeles
- Peter JohannFounder · PirrosW23B2B · Los Angeles
- Ryan Sutton-GeeFounder · PlanGridW12Real Estate and Construction · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Bobby ZhongBurtFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/bobbyzhong333Ari BaranianPirrosFounderWinter 2023B2BLos Angeles, United States44—Peter JohannPirrosFounderWinter 2023B2BLos Angeles, United States44—Ryan Sutton-GeePlanGridFounderWinter 2012Real Estate and ConstructionSan Francisco, United States355—
Showing 1–4 of 4 founders
Peter Johann
Founder·Pirros
PRIMARY INFO
RoleFounder· not in title
Team size44
BatchWinter 2023
LocationLos Angeles, United States
Company statusActive
StageEarly
BIO
Co-founder of Pirros. Previously worked as a structural engineer in LA.
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
COMPANY CONTEXT
Pirros
AI Platform for Architects and Engineers
Co-foundersAri Baranian
