Mount Sinai Health System Adopts Signal 1's AI Management Platform

New York's Mount Sinai Health System will adopt Signal 1's AI management platform to monitor its artificial intelligence tools. The academic medical system, which runs seven hospitals and three schools, made the announcement Monday.

Signal 1's software helps healthcare clients track, evaluate, and manage AI deployment. The company, based in Toronto, originally built four healthcare AI applications before realizing hospitals needed oversight infrastructure instead. It shifted focus in 2025, following a playbook used by Shopify and Slack.

“The question is no longer whether to adopt novel AI technologies and use cases–it’s how to efficiently and safely manage them at scale,” Signal 1 co-founder and CEO Tomi Poutanen said in a release.

Mount Sinai chief digital transformation officer Robbie Freeman said the system turned to Signal 1 to monitor performance, safety, and impact at scale without slowing innovation. The partnership comes six months after a similar announcement from Inova Health, a U.S.-based system.

Poutanen and co-founder Mara Lederman left positions at TD Bank and the University of Toronto in 2022 to build AI applications for healthcare. Signal 1 is one of several startups trying to solve the governance problem as hospitals adopt AI faster than they can audit it.