Welcome! I'm James Chi.

Your Sr. Product Designer specialized in 0→1 healthcare and AI products.

Shipped the first FDA-authorized digital therapeutic for migraine. Building AI agents that drove sales revenue for creators.

Design end-to-end. From research to prototyping, and some code (w/ AI's help).

FDA-authorized digital therapeutics app screens showing healthy habits tracking and mindfulness features

The first FDA-authorized digital therapeutic that reduced migraine for 500+ patients

Digital TherapeuticsFDA-Authorized0-to-1User TestingHypothesis-Driven

Constant Closer AI sales agent interface showing autonomous selling features

Building an AI sales platform that generated $11k in its first weekend for the customer

Agentic AIB2B SaaSSales AutomationBootstrapDesign-to-Code with AI

Input field component design system showing scalable and accessible form elements

Designed a unified input field component that scales across all products

Design systemUI componentsDesign TokensUsabilityAccessibilityReact-Native