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 academic hospitals

We are commercializing AI applications that were developed at St. Michael’s Hospital and have been in use there since 2020.

Powered by an award-winning AI technology stack

Signal 1 uses the Layer 6 technology stack, the same AI engine that powers machine learning throughout TD Bank, one of North American’s top financial institutions.

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.

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.

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.

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.

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.

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.

Our Advisors

Mike Butler

Former President, Providence


Grow 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

Dr. Arthur Slutsky

Pulmonary and critical care physician (St. Michael’s Hospital)


Professor of Medicine, Surgery and Biomedical Engineering (University of Toronto)


Order of Canada recipient

Interested in joining our team?