The people
What they build
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Working at Greenspace Health
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On the TechTO stage
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About
Greenspace Health is a Toronto company, founded in 2015, whose software brings measurement-based care to mental health and addiction treatment. Rather than relying on a clinician's impression of progress, the platform collects structured patient-reported outcome measures at each session and reports them back to the clinician, the client and the organization — so a treatment that is not working shows up in the data instead of months later. Co-founder and CEO Jeremy Weisz came to it from law rather than medicine: he holds business and law degrees from Western and Ivey and practised M&A at Goodmans LLP. The company says it supports more than 500 organizations and health systems across North America, and it appeared on Deloitte's Technology Fast 500 in 2024. ABS Capital led a Series B investment announced in March 2025; the amount was not disclosed.
Backers
ABS Capital Partners led a Series B investment announced in March 2025. The amount was not disclosed, and earlier rounds were not confirmed in the sources checked.
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Quick answers
What does Greenspace Health do?
It provides the software behavioural health organizations use to run measurement-based care — collecting structured patient-reported outcomes at every session so clinicians can tell whether a treatment is working and adjust it.
Who founded Greenspace Health?
Jeremy Weisz co-founded it in Toronto in 2015 and is CEO. He was an M&A and corporate lawyer at Goodmans LLP before starting it, with no healthcare background — the subject of his 2017 TechTO talk.
Has Greenspace Health raised venture funding?
ABS Capital led a Series B investment announced in March 2025. The amount was not disclosed publicly, and earlier rounds were not confirmed.