Founder Directory
Built by Keitoto
Founders5
Known for these resultsRole40%Role is parsed from founder titles in yc.db. Known for 40% 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-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School20%School is matched from bios, case-sensitive for acronyms. 20% of these rows have at least one match.
- Jonathan Miranda@jonathan_mir12Founder/CEO · CompyleF25B2B · San Francisco
- Mark NazzaroFounder/CTO · CompyleF25B2B · San Francisco
- Allen CalderwoodFounder · HadriusW23Fintech · New York
- Som Mohapatra@som_mohapatraFounder · HadriusW23Fintech · New York
- Thomas StewartFounder · HadriusW23Fintech · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jonathan MirandaCompyleFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/jonathan_mir12Mark NazzaroCompyleFounder/CTOFall 2025B2BSan Francisco, United States2—Allen CalderwoodHadriusFounderWinter 2023FintechNew York, United States80—Som MohapatraHadriusFounderWinter 2023FintechNew York, United States80https://x.com/som_mohapatraThomas StewartHadriusFounderWinter 2023FintechNew York, United States80—
Showing 1–5 of 5 founders
Mark Nazzaro
Founder/CTO·Compyle
PRIMARY INFO
RoleFounder/CTO
Team size2
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Mark is the Co-founder and CTO of Compyle. Previously the second engineer at Hadrius, he helped scale the company to its Series A, led engineers, and built much of the core AI product. Before that, at arXiv, he led the move to the cloud and launched its first major UI change in decades.
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
CompyleThe coding agent that actually collaborates with you
Co-foundersJonathan Miranda@jonathan_mir12
