Founder Directory
Built by Keitoto
Founders7
Known for these resultsRole57%Role is parsed from founder titles in yc.db. Known for 57% 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-company43%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 43% of these rows have at least one match.School14%School is matched from bios, case-sensitive for acronyms. 14% of these rows have at least one match.
- Naman Bansal@namanbansal0611Founder · ManiculeX26B2B · San Francisco
- Shreyans Jain@shreyansjFounder/CEO · ManiculeX26B2B · San Francisco
- Sherwood Callaway@shcallawayFounder/CEO · SazabiX26B2B · San Francisco
- Abhi Aiyer@abhiaiyerFounder/CTO · MastraW25B2B · San Francisco
- Sam Bhagwat@calcsamFounder/CEO · MastraW25B2B · San Francisco
- Shane Thomas@smthomas3Founder · MastraW25B2B · San Francisco
- Jack MastrangeloFounder · CobblestoneW23Real Estate and Construction · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Naman BansalManiculeFounderSpring 2026B2BSan Francisco, United States5https://x.com/namanbansal0611Shreyans JainManiculeFounder/CEOSpring 2026B2BSan Francisco, United States5https://x.com/shreyansjSherwood CallawaySazabi2× YCFounder/CEOSpring 2026B2BSan Francisco, United States10https://x.com/shcallawayAbhi AiyerMastraFounder/CTOWinter 2025B2BSan Francisco, United States30https://x.com/abhiaiyerSam BhagwatMastraFounder/CEOWinter 2025B2BSan Francisco, United States30https://x.com/calcsamShane ThomasMastraFounderWinter 2025B2BSan Francisco, United States30https://x.com/smthomas3Jack MastrangeloCobblestoneFounderWinter 2023Real Estate and ConstructionNew York, United States3—
Showing 1–7 of 7 founders
Sherwood Callaway
Founder/CEO·Opkit
PRIMARY INFO
RoleFounder/CEO
Team size—
BatchSummer 2021
LocationNew York, United States
Company statusInactive
StageEarly
BIO
Sherwood Callaway is a 2x YC founder and software engineer with over ten years of experience in infrastructure, DevOps, and observability engineering roles top VC-backed startups, including Crunchbase and Brex. Currently, he is founder and CEO at Sazabi, the AI-native observability platform for fast-moving engineering teams. Sazabi is directly inspired by Sherwood's experience at Brex, where helped start the company's infrastructure and observability engineering teams.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- S21OpkitInactive · this entry
- X26SazabiActive
