Miriam Suzanne is an author, artist, and web developer in Denver, Colorado. She’s a co-founder of OddBird web agency, a member of the Sass core team, and a W3C Invited Expert on the CSS Working Group.

Miriam has been building web sites, applications, and design systems since the early days of CSS. After creating Susy for responsive layouts in 2009, and then True for Sass unit-testing, she became a core developer on the Sass project. More recently, she has also become a member of the CSS Working Group, developing new features like Cascade Layers, Container Queries, and Scope. She’s also a prolific teacher – offering CSS workshops, and speaking at conferences around the world. She’s a co-author of Sitepoint’s Jump Start Sass, a staff writer for CSS Tricks, and was a founding teacher on the Mozilla Developer youtube channel.