Designed and shipped features across 7 analytics dashboards, turning data on 9,000+ oncologists and 89M payer lives into decision-ready insights. Led end-to-end design, from discovery and research through prototyping and usability testing, balancing technical and business constraints. Cut friction in complex data workflows by designing features like bulk operations and inline validation. Built the design system with 30+ reusable components plus core tokens and patterns that sped up the team, held design-engineering consistency, and met accessibility standards.