About
Jonathan Zero is CTO and co-founder of CareSwift, which develops AI tools for EMS documentation. He previously led product development on a gaming application that was acquired.
Founder at CareSwiftYC S25
Intro paths
YC
Jonathan went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran CareSwift's batch and knows the company first-hand. YC profile ↗
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In turn, Jonathan can intro founders to CareSwift's investors below.
CareSwift's investors · 1
Co-founders at CareSwift
BW
Brian WeigandFounder
Experience
- CareSwift (YC S25)Chief Technology Officercurrent2025 — presentNew York, United States
- Triad Development GroupCo-Founder2024 — 2025New York, United States
- D.V.K. Innovative Studios LtdHead of Product Engineering2023 — 2024
Skills & more
Java5JavaScript6
From Jonathan's professional profile.
Frequently asked questions
- Who is Jonathan Zero?
- Jonathan Zero is CTO and co-founder of CareSwift, which develops AI tools for EMS documentation. He previously led product development on a gaming application that was acquired.
- Where does Jonathan Zero work?
- Jonathan Zero is Founder of CareSwift.
- What companies did Jonathan Zero found?
- Jonathan Zero founded CareSwift.
- Where did Jonathan Zero go to school?
- Jonathan Zero studied at Y Combinator; University of Scranton (Bachelor of Science - BS, Computer Science); Archbishop Molloy High School.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
Archbishop Molloy High School mafia2
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
