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About
Jeff Liu holds a PhD in oncology from Oxford and previously founded Vivid Dx, which developed a diagnostic approach for sepsis that reduced testing time from five days to thirty minutes. He is now CEO of FinalDose, a YC-backed company.
CEO at FinalDoseYC X26
Intro paths
Jeff went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Garry Tan, President & CEO of Y Combinator — the partner who ran FinalDose's batch and knows the company first-hand. YC profile ↗
In turn, Jeff can intro founders to FinalDose's investors below.
FinalDose's investors · 27
Co-founders at FinalDose


Founder at Assort Health
Intro paths
In turn, Jeff can intro founders to Assort Health's investors below.
Assort Health's investors · 26
Co-founders at Assort Health



Frequently asked questions
- Who is Jeff Liu?
- Jeff Liu holds a PhD in oncology from Oxford and previously founded Vivid Dx, which developed a diagnostic approach for sepsis that reduced testing time from five days to thirty minutes. He is now CEO of FinalDose, a YC-backed company.
- Where does Jeff Liu work?
- Jeff Liu is Founder of Assort Health and CEO at FinalDose.
- What companies did Jeff Liu found?
- Jeff Liu founded Assort Health, FinalDose.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Assort Health's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights




























