Founder Directory
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Founders6
Known for these resultsRole83%Role is parsed from founder titles in yc.db. Known for 83% 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.Bio83%Bio coverage: 83% 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-company17%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 17% of these rows have at least one match.School33%School is matched from bios, case-sensitive for acronyms. 33% of these rows have at least one match.
- Lukas PostulkaFounder/CTO · WalterX26B2B · San Francisco
- Nikolas Keller@nikolas_kellerFounder/CEO · WalterX26B2B · San Francisco
- Walter Raftus@walter_raftusFounder/CTO · Forge AutomationW25Industrials · Toronto
- Stephen Walter@stephen_walterFounder/CEO · SunsetF24Fintech · Salt Lake City
- Walter PintorFounder · Query VaryW22B2B · San Francisco
- Walter GonzalezFounder/CEO · LivementS16B2B · Guadalajara
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Lukas PostulkaWalterFounder/CTOSpring 2026B2BSan Francisco, United States0—Nikolas KellerWalterFounder/CEOSpring 2026B2BSan Francisco, United States0https://x.com/nikolas_kellerWalter RaftusForge AutomationFounder/CTOWinter 2025IndustrialsToronto, Canada21https://x.com/walter_raftusStephen WalterSunsetFounder/CEOFall 2024FintechSalt Lake City, United States5https://x.com/stephen_walterWalter PintorQuery VaryFounderWinter 2022B2BSan Francisco, United States6—Walter GonzalezLivementFounder/CEOSummer 2016B2BGuadalajara, Mexico45—
Showing 1–6 of 6 founders
Walter Pintor
Founder·Query Vary
PRIMARY INFO
RoleFounder· not in title
Team size6
BatchWinter 2022
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Walter is the CTO and co-founder of Query Vary, a startup specializing in prompt design, testing, and refinement tools, with a focus on reliability, latency reduction, and cost optimization. Prior to this, he founded Syncware, a warehouse optimization software tool. He similarly worked automating complex systems and products during his time at the largest research institute in Singapore. His background is in aerospace engineering and mechatronics.
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
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Query VaryNo-Code LLM Application / Workflow Builder
