Pathos AI

Pathos AI is an AI-driven biotech company building what it describes as one of the largest multimodal foundation models in oncology. By combining millions of clinical, molecular, and imaging records with proprietary AI, Pathos aims to identify the right patients for a given therapy, design smarter adaptive clinical trials, and de-risk cancer drug development. Founded in 2020 by Eric Lefkofsky and Ryan Fukushima and led since 2025 by CEO Iker Huerga, the company raised a $365 million Series D that valued it at roughly $1.6 billion.