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University Health Network

University Health Network is Canada's largest research hospital network, formed in Toronto from Toronto General, Toronto Western and Princess Margaret and named UHN in 1999. It runs 10 sites with more than 20,000 staff, is fully affiliated with the University of Toronto, and its OpenLab and Healthcare Human Factors groups design and test health technology.

Health TechTorontoFounded 1999uhn.ca
10 sitesand more than 20,000 members of TeamUHN, per UHN's own about pageUHN
1999the year the merged Toronto hospitals were named University Health Network; Toronto Rehab joined in 2011UHN — Our History
15 yearsof usability testing on health technology in Healthcare Human Factors, as Joe Cafazzo told HealthTOTechTO HealthTO stage 2018-10

The people

What they build

Healthcare Human Factors
OpenLab

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Working at University Health Network

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Open roles on the TechTO Job Board ↗Or their own careers page: uhn.ca/careers ↗

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On the TechTO stage

Every talk is searchable — ask the archive about University Health Network

About

UHN began as a 1986 merger of Toronto Western Hospital and Toronto General Hospital into The Toronto Hospital; Princess Margaret joined in 1998 and the combined institution took the name University Health Network in 1999, with the Toronto Rehabilitation Institute added in 2011. Today it describes itself as 10 sites and more than 20,000 members of TeamUHN, fully affiliated with the University of Toronto. Two of its innovation groups have taken the HealthTO stage. Joe Cafazzo, who leads Healthcare Human Factors, spent his 2018 talk arguing that hospitals keep buying bad software — he called electronic health records "kind of like stepping back into the 90s" and tied their interfaces to physician burnout — and said his lab had by then spent 15 years running usability testing on health technology, including on products he had helped create himself. A year earlier Lora Appel, then a postdoctoral fellow at OpenLab, UHN's design and innovation shop inside Toronto General, made the opposite-facing argument: that innovation in healthcare is overrated because implementation is undervalued, in an environment she described as institutional, siloed, risk-averse and historically technophobic.

Backers

Not venture-backed. UHN is a public research and teaching hospital network funded through Ontario's health system, research grants and the UHN Foundation.

Quick answers

What is University Health Network?

A public research and teaching hospital network in Toronto — Toronto General, Toronto Western, Princess Margaret, Toronto Rehab, the Michener Institute and West Park — fully affiliated with the University of Toronto.

When was UHN founded?

Toronto Western and Toronto General merged in 1986; Princess Margaret joined in 1998 and the network was named University Health Network in 1999. Toronto Rehab joined in 2011.

How does UHN work with health tech startups?

Through groups like Healthcare Human Factors, which designs and usability-tests health technology, and OpenLab, its design and innovation shop inside Toronto General Hospital.

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Maintained by TechTO · facts sourced and dated · last reviewed Aug 7, 2026