Chao Zhang
张超
Chao Zhang (张超) is the founder and CEO of Zuoyi Technology, better known by its product "Left-Hand Doctor" (左手医生), an AI healthcare company. He spoke in that capacity when the company closed a 100-million-yuan Series B in 2021, per 5Y Capital , and by April 2025 was describing the company's mission as "building proactive AI so quality healthcare is within reach," per Qiming Venture Partners . In an interview that same month, he laid out the company's positioning around an "AI pediatric family doctor" built on an evidence-based pediatric knowledge base, framing it as filling the "blank spaces" in the healthcare ecosystem . Elsewhere's corpus covers him only through these portfolio-company mentions — no deeper biographical detail.
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Coverage
Qiming Weekly | Qiming Venture Partners Portfolio Companies: Funding and Updates Vol. 15, 2025
Celebrating milestone moments with Qiming Venture Partners' portfolio companies
Qiming Star | ZuoYi Tech CEO Zhang Chao: Using AI Doctors to Fill the 'Blank Spaces' in the Healthcare Ecosystem
Zuo Yi Technology's future roadmap centers on "proactive artificial intelligence." An AI doctor should not merely be a tool that responds passively, but rather an active health partner that intervenes on its own initiative.
Qiming Weekly | Qiming Venture Partners Portfolio Funding and Updates Roundup Vol. 13, 2025
Following Qiming Venture Partners' portfolio companies' milestone moments with you
5Y News | 5Y Capital portfolio company "Left-Hand Doctor" announces completion of 100 million yuan Series B funding round
Building Proactive Medical AI.
