Chris DeMars

Senior Developer Advocate
TuxCare

Chris DeMars is a Senior Developer Advocate with over 20 years of technical experience. He speaks all over the world on web accessibility, feature flags, A/B testing, and CSS. For his community contributions, he holds awards as a Progress Champion and former Microsoft MVP, Google Developer Expert, Cloudinary Media Developer Expert, and Auth0 Ambassador. When he is not working on making the web great and accessible you can find him fishing, on the paintball field, rating Detroit Style pizza, and looking for UFO's.

CHAIN REACT
lightning talk
2026
Talk recording coming soon
Watch
lightning talk

Silent Execution: Defending Against Install-Time Supply Chain Attacks

This 15-minute technical deep dive breaks down the mechanics of install-time malware, analyzes why standard audit tools often miss these exploits, and provides a concrete roadmap for hardening your local environment and CI/CD pipelines using script-blocking strategies and behavioral monitoring.

Talk Details
CHAIN REACT
lightning talk
2023
Talk recording coming soon
Watch
lightning talk

Incorporating screen readers into React Native development for improved accessibility

VoiceOver is a screen reader built into every Mac and iOS device, allowing users with visual impairments to navigate and interact with their devices using only sound. In this talk, we will explore how to utilize VoiceOver on an iPhone to improve the accessibility of a React Native mobile application. By implementing VoiceOver in a React Native app, developers can ensure that their app is accessible to a wider range of users. We will cover best practices for testing and debugging with VoiceOver, as well as strategies for ensuring a seamless and intuitive user experience for all users.

Talk Details

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Chris DeMars

Senior Developer Advocate
TuxCare

Chris DeMars is a Senior Developer Advocate with over 20 years of technical experience. He speaks all over the world on web accessibility, feature flags, A/B testing, and CSS. For his community contributions, he holds awards as a Progress Champion and former Microsoft MVP, Google Developer Expert, Cloudinary Media Developer Expert, and Auth0 Ambassador. When he is not working on making the web great and accessible you can find him fishing, on the paintball field, rating Detroit Style pizza, and looking for UFO's.

CHAIN REACT
lightning talk
2026
Talk recording coming soon
Watch
lightning talk

Silent Execution: Defending Against Install-Time Supply Chain Attacks

This 15-minute technical deep dive breaks down the mechanics of install-time malware, analyzes why standard audit tools often miss these exploits, and provides a concrete roadmap for hardening your local environment and CI/CD pipelines using script-blocking strategies and behavioral monitoring.

Talk Details
CHAIN REACT
2023
lightning talk
Talk recording coming soon
Watch
lightning talk

Incorporating screen readers into React Native development for improved accessibility

VoiceOver is a screen reader built into every Mac and iOS device, allowing users with visual impairments to navigate and interact with their devices using only sound. In this talk, we will explore how to utilize VoiceOver on an iPhone to improve the accessibility of a React Native mobile application. By implementing VoiceOver in a React Native app, developers can ensure that their app is accessible to a wider range of users. We will cover best practices for testing and debugging with VoiceOver, as well as strategies for ensuring a seamless and intuitive user experience for all users.

Talk Details