Founder Directory
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Founders2
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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-company50%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 50% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Brian WeigandFounder/CEO · CareSwiftS25Healthcare · New York
- Jonathan ZeroFounder/CTO · CareSwiftS25Healthcare · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Brian WeigandCareSwiftFounder/CEOSummer 2025HealthcareNew York, United States2—Jonathan ZeroCareSwiftFounder/CTOSummer 2025HealthcareNew York, United States2—
Showing 1–2 of 2 founders
Jonathan Zero
Founder/CTO·CareSwift
PRIMARY INFO
RoleFounder/CTO
Team size2
BatchSummer 2025
LocationNew York, United States
Company statusActive
StageEarly
BIO
Co-founder and CTO of CareSwift, shipping AI ePCR tools that cut EMT paperwork and documentation burden. I previously led development on an online Roblox casino, which scaled to over 300 DAU. This led to a 6-figure acquisition by a competitor.
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
CareSwift
AI scribe for Ambulance Reports
Co-foundersBrian Weigand
