Led product design for Outlook across iOS, Android and macOS. Redesigned core surfaces of the app and helped start the open-source Fluent icon system, which now ships across every Microsoft product — Windows, Xbox, Office and Azure.
Dark Mode
Designed Fluent Dark Mode — the unified dark theme system adopted across every Microsoft 365 mobile app, from Outlook and Teams to OneDrive, SharePoint, Word and Excel. Defined the surface elevation model, gray palette and color contrast rules that became the foundation for dark mode across iOS, Android and macOS.
Fluent Icons
Created Fluent System Icons — Microsoft's open-source icon library with over 500 icons built for every platform. Designed a mobile-first system with regular and filled themes, systematic sizing across four densities, and a literal, metaphor-based naming convention. The library shipped across Office, Outlook, Teams, Xbox and Windows and is open-source on GitHub.
Surface Duo
Designed the Outlook experience for Surface Duo — Microsoft's dual-screen Android device. Optimized email, calendar and multitasking layouts across both screens with adaptive interaction patterns and responsive composition.