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Phases

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Automated clinical trial oversight and execution

Summer 2025Founded 20253 peopleSan Francisco, CA, USA

About

Phases deploys AI agents to oversee clinical trials, improving operational performance, data quality, and audit readiness by identifying risks and taking actions autonomously to solve issues.

Founders Β· 3

James Wall
James WallCo-founder & CEO

Accelerating & automating clinical trials with AI Agents. - Designed and deployed AI data science agents to Fortune 100 companies and pharma companies such as J&J, Syneos Health. - Built the business case that led to Unilever’s €8bn ice cream division spin-off.

Anton Zaliznyi
Anton ZaliznyiCo-founder & Chief AI Officer
PalantirUTorontoπŸŽ“ University of Toronto

Accelerating & automating clinical trials with AI Agents. Ex SWE at Palantir, AI Researcher at University of Toronto. - Streamlined developer and deployment experiences at Palantir. - Co-authored peer-reviewed deep learning research on real-time surgical microrobot pose estimation that outperforms SOTA (Accepted to RA-L / ICRA). - Built autonomous reconnaissance drones at a defense startup. - Developed advanced distributed processing systems at Avid.

Jonathan van Wersch
Jonathan van WerschCo-founder & CTO
MetaπŸŽ“ University of Bath

Accelerating & automating clinical trials with AI agents. - Previously a software engineer at Meta, where I worked on integrating machine learning into the mobile ads manager app. - Before Meta, I was at Improbable, a UK unicorn, where I helped scale the web platform team from 3 to 20 engineers. - I hold a bachelors and masters in mechanical engineering from the University of Bath, where I was project manager and engineering lead for the university's rocket team.

Launch

Launched on Y Combinator Β· Jul 2025
View launch post β†—

Developing life-saving drugs shouldn't take a decade.

Phases launches Polly, an AI recruiter for clinical trials that automates patient recruitment end-to-end, integrates with existing tools, and operates 24/7 to speed enrollment and reduce costs for research sites, CROs, and pharma companies.

Formerly β€œPatiently”

HealthcareHealthcare ITHealthcare ITAIConversational AI

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