Juliette Reinders Folmer is an opinionated, passionate, busy-body with a prolific portfolio of contributions to various high-profile open source projects over the years. She is the current maintainer of PHP_CodeSniffer, co-author of PHPCompatibility, initiator of PHPUnit Polyfills, and creator of the PHP Cheatsheets.

Juliette regularly speaks at conferences and is always happy to discuss how we can all contribute to changing both the dev-culture as well as our code, to be better. She is self-employed and based in the Netherlands.