Founder Directory
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Founders5
Known for these resultsRole60%Role is parsed from founder titles in yc.db. Known for 60% 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-company40%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 40% of these rows have at least one match.School40%School is matched from bios, case-sensitive for acronyms. 40% of these rows have at least one match.
- Archit MehtaFounder/CEO · StampW25B2B · San Francisco
- Akshay SubramaniamFounder/CEO · HaystackS24B2B · New York
- Jake YatvitskiyFounder/CTO · HaystackS24B2B · New York
- Diedrik VermeulenFounder · SiPhox HealthS20Healthcare · Boston
- Michael Dubrovsky@MikeDubrovskyFounder · SiPhox HealthS20Healthcare · Boston
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Archit MehtaStampFounder/CEOWinter 2025B2BSan Francisco, United States1—Akshay SubramaniamHaystackFounder/CEOSummer 2024B2BNew York, United States2—Jake YatvitskiyHaystackFounder/CTOSummer 2024B2BNew York, United States2—Diedrik VermeulenSiPhox HealthFounderSummer 2020HealthcareBoston, United States63—Michael DubrovskySiPhox HealthFounderSummer 2020HealthcareBoston, United States63https://x.com/MikeDubrovsky
Showing 1–5 of 5 founders
Jake Yatvitskiy
Founder/CTO·Haystack
PRIMARY INFO
RoleFounder/CTO
Team size2
BatchSummer 2024
LocationNew York, United States
Company statusActive
StageEarly
BIO
Cofounder of Haystack Software. Experienced with AI and Cloud technologies. Previously worked in the High-Performance Computing division at AWS and received a Master's Degree in Machine Learning from Columbia University
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
First YC company on record
COMPANY CONTEXT
HaystackThe agent-native control layer for code changes
Co-foundersAkshay Subramaniam
