Chris Holt is a Principal UX Engineering Manager at Microsoft with a decade of experience building accessible, standards-driven design systems and front-end tooling. He leads UX engineering teams while remaining hands-on—maintaining FAST, Microsoft’s adaptive interface system, and contributing React components, design-token-driven styling, and documentation. His work spans both front-end and back-end contributions across prominent Microsoft monorepos like fluentui and rushstack, including TypeScript tooling fixes and webpack plugin refactors. A Code Fellows bootcamp grad who came up through consulting and product-focused roles, he combines practical delivery experience with a strong accessibility and standards mindset. Known for improving developer experience as well as UI quality, he brings both strategic leadership and detailed component-level craftsmanship to large-scale web platforms.
10 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree, Bachelor’s Degree at Seattle Pacific University
Certificate, Front End Development, Certificate, Front End Development at Code Fellows
The adaptive interface system for modern web experiences.
Role in this project:
Front-end Developer
Contributions:1601 reviews, 763 commits, 1401 PRs in 4 years 11 months
Contributions summary:Chris primarily contributed to the development of UI components and styling within the `microsoft/fast` repository. Their commits focused on adding and modifying React components, including the creation of a Foundation component and updates to button functionality and styling. They also updated and incorporated a number of CSS customizations. Further work was focused on the improvement of the site documentation and examples.
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
Role in this project:
Front-end Developer
Contributions:988 reviews, 77 commits, 421 PRs in 2 years 6 months
Contributions summary:Chris primarily contributed to the implementation and enhancement of Fluent UI web components. Their work involved adding new web components, such as web components and combobox, and integrating them into the Fluent UI library. They also focused on updating the appearance and accessibility of existing components, including fixing styling issues, updating styling to align with the design system, and correcting cursor behaviours. Furthermore, the user refactored styles and templates to leverage design tokens.
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Chris Holt - Principal UX Engineering Manager at Microsoft