About Us

We are putting AI to work for doctors and nurses

Our mission is to empower care providers with accurate, timely and easy-to-use patient information to enable better care and outcomes, and an improved provider experience.

Our Vision

A future where every healthcare practitioner has the information they need to provide proactive and personalized care.

Built in partnership with one of North America’s leading hospitals

Our solutions are co-developed with St. Michael’s Hospital, one of Canada’s largest research institutions, and are now in use across five major hospitals with more than 1,000+ beds monitored.

Powered by the same AI technology as TD Bank

Our platform is based on the same AI technology we developed for TD Bank to deploy and govern AI across its lines of business.

Our commitment to Responsible AI.

In 2019, our team created the industry standards for Responsible AI in the financial services industry. Now we are developing industry-leading best practices for the healthcare industry to ensure that our AI models are accurate, robust, fair and transparent.

We are a team of technology, business and healthcare experts who are passionate about bringing innovation to clinicians

Our Leadership Team

Tomi Poutanen

Chief Executive Officer

Tomi is the CEO and co-founder of Signal 1. Before Signal 1, Tomi co-founded Layer 6 which was acquired by TD Bank where he served as the Chief AI Officer. Tomi has had previous exits to Microsoft and Yahoo!. Tomi holds an MSc in Computer Engineering and an MBA from University of Toronto, and is a co-founder of Vector Institute for AI.

Mara Lederman

Chief Operating Officer

Mara is the COO and a co-founder of Signal 1. Prior to Signal 1, Mara was a professor at the University of Toronto’s Rotman School of Management and the Site Lead for the Creative Destruction Lab (CDL) – Toronto Site. Mara is an expert in platform economics and start-up commercialization strategy. She holds a Ph.D in Economics from MIT.

Felipe Perez

VP, Machine Learning

Felipe is the VP of Machine Learning at Signal 1. Prior to joining Signal 1, Felipe was a Senior Machine Learning Scientist at Layer 6 where he led a team doing Natural Language Processing and Recommender System research and building AI applications for TD Insurance. Felipe received his Ph.D in Math from the University of Michigan.

Bo Wang

VP, Platforms & Delivery

Bo is the VP of Platforms and Delivery at Signal 1. Prior to joining Signal 1, Bo was the Head of Data and Infrastructure at Layer 6. He is an experienced technology leader in distributed systems, complex data-intensive systems, infrastructure, security and project delivery. Bo has a Ph.D in Computer Science from Peking University.

Pete Cronin

VP, Business Operations

Pete is the VP of Business Operations at Signal 1. Before Signal 1, Pete was an Executive Director at Unity Health Toronto focused on creating commercialization strategies and broadening the impact of locally developed clinical AI solutions. Pete is an ex-McKinsey consultant and received his MBA from Cornell University.

Dan Shiner

VP, Product

Dan is the VP of Product at Signal 1. Prior to joining, he co-founded an HR technology startup and was VP of Product at Xero, where he was responsible for the company’s AI-powered automation products. He also served as Head of Product at Hubdoc Inc., an AI-driven data automation tool, from it’s early days until its acquisition by Xero in 2018. Dan holds a dual JD/MBA degree from the University of Toronto.

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Patrick Ware

VP, Quality and Regulatory Affairs

Patrick is the VP of Quality and Regulatory Affairs at Signal 1. Prior to joining, he was the Lead for Program and Business Development at the Centre for Digital Therapeutics, University Health Network. He was also Course Developer and instructor at The Michener Institute of Education. Patrick holds a PhD in Health Sciences Research, with a focus in health informatics, from the University of Toronto and a Master of Public Health from the University of Montreal.

Alice Yang

VP, Finance & HR

Alice is the VP of Finance and HR at Signal 1. Prior to Signal 1, Alice was the Head of Operations at Layer 6 where she led strategy execution and various business functions while overseeing AI applications in banking. Alice is an ex-corporate banker and a CFA Charterholder. She received her MBA from the University of Cambridge.

Dr. Muhammad Mamdani

Chief Scientific Advisor

Muhammad is the VP of Data Science and Advanced Analytics at Unity Health Toronto. Muhammad’s team integrates advanced analytics with clinical decision-making to improve patient outcomes and hospital efficiency. Muhammad holds a PharmD from the University of Michigan and a Masters of Public Health from Harvard University.

Maksims Volkovs

AI Scientist in Residence

Maks is an AI Scientist in Residence at Signal 1. He is a co-founder of Layer 6 and the Chief AI Scientist at TD Bank. Maks is a Kaggle Grandmaster and has multiple publications in top machine learning conferences and journals. He received his Ph.D from University of Toronto where he was part of the Machine Learning Group led by Geoffrey Hinton.

Our Advisors

Mike Butler

Former President, Providence


Grew Providence from a $2 billion organization to $25 billion one.


Healthcare Operating Partner, Welsh, Carson, Anderson & Stowe

Jeff Jones

Former Managing Director at Huron Consulting and Senior Partner at Stockamp & Associates


Advisor and Board Member to several healthcare technology companies

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Michael Fralick

Founding board member New England Journal of Medicine Evidence


Clinician Scientist at Sinai Health in Toronto and Assistant Professor in the Faculty of Medicine at the University of Toronto

Interested in joining our team?