Founder Directory
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Founders6
Known for these resultsRole33%Role is parsed from founder titles in yc.db. Known for 33% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% 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.
- Eric Rowell@ericdrowellFounder/CTO · WaylineS25Real Estate and Construction · San Francisco
- Terrell MarshallFounder/CEO · LoreS24B2B · San Francisco
- Eric Rowell@ericdrowellFounder · SecondW23B2B
- Arnold VillatoroFounder · SpecCheckW23B2B · Los Angeles
- Harikrishna NarayananFounder · Expent IncW21B2B · San Francisco
- Sol Eun@soleunFounder · UiflowW21B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eric RowellWayline2× YCFounder/CTOSummer 2025Real Estate and ConstructionSan Francisco, United States5https://x.com/ericdrowellTerrell MarshallLoreFounder/CEOSummer 2024B2BSan Francisco, United States2—Eric RowellSecond2× YCFounderWinter 2023B2BUnknown3https://x.com/ericdrowellArnold VillatoroSpecCheckFounderWinter 2023B2BLos Angeles, United States5—Harikrishna NarayananExpent IncFounderWinter 2021B2BSan Francisco, United States10—Sol EunUiflowFounderWinter 2021B2BSan Francisco, United States21https://x.com/soleun
Showing 1–6 of 6 founders
Arnold Villatoro
Founder·SpecCheck
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchWinter 2023
LocationLos Angeles, United States
Company statusActive
StageEarly
BIO
Arnold is the co-founder and CTO of SpecCheck. Arnold has been a software engineer for almost a decade, starting his career at Workday. Most recently, he lead the payments team at Lyft. Outside of work and tech, Arnold enjoys working out, is a big foodie, has a cat named Peanut, and loves Super Smash Brothers. Fun fact: Arnold was born in Honduras!
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
SpecCheckUnifying how the optical industry does business.
Co-foundersJoe DeMaria
