Founder Directory
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Founders7
Known for these resultsRole86%Role is parsed from founder titles in yc.db. Known for 86% 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.Bio86%Bio coverage: 86% 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-company86%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 86% of these rows have at least one match.School43%School is matched from bios, case-sensitive for acronyms. 43% of these rows have at least one match.
- Raghav MehrishFounder/CTO · Arctic HealthX26Healthcare · New York
- Sam Bhagwat@calcsamFounder/CEO · MastraW25B2B · San Francisco
- Edward ZhangFounder/CTO · TinyF24B2B · Singapore
- Kuberan Marimuthu@ikuberanFounder · CypherW22Fintech · San Francisco
- Prasanna S@myprasannaFounder/CTO · RipplingW17B2B · San Francisco
- Laks Srini@laks_sriniFounder/CTO · ZenefitsW13B2B · San Francisco
- Parker Conrad@parkerconradFounder/CEO · ZenefitsW13B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Raghav MehrishArctic HealthFounder/CTOSpring 2026HealthcareNew York, United States4—Sam BhagwatMastraFounder/CEOWinter 2025B2BSan Francisco, United States30https://x.com/calcsamEdward ZhangTinyFounder/CTOFall 2024B2BSingapore, Singapore3—Kuberan MarimuthuCypherFounderWinter 2022FintechSan Francisco, United States12https://x.com/ikuberanPrasanna SRipplingFounder/CTOWinter 2017B2BSan Francisco, United States2500https://x.com/myprasannaLaks SriniZenefitsFounder/CTOWinter 2013B2BSan Francisco, United States500https://x.com/laks_sriniParker ConradZenefits2× YCFounder/CEOWinter 2013B2BSan Francisco, United States500https://x.com/parkerconrad
Showing 1–7 of 7 founders
Abhi Aiyer
Founder/CTO·Mastra
PRIMARY INFO
RoleFounder/CTO
Team size30
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder/CTO of Mastra. Principal eng & lead of >100 person eng org at Netlify. Built Gatsby Cloud infra that ran 10s of thousands of build nodes, served billions of files, and 100s of TB of monthly bandwidth.
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
MastraThe Javascript framework for building AI agents, from the Gatsby devs
