Rauno Freiberg is an Estonian Staff Design Engineer at Vercel who blurs the line between design and engineering with surgical precision. Known for his obsession with invisible details - the micro-interactions, animations, and tactile feedback that make software feel alive - he built cmdk (downloaded millions of times weekly), wrote the seminal 'Invisible Details of Interaction Design' essay, and created Devouring Details, an interactive design education platform. He previously shaped the Arc browser at The Browser Company. His philosophy: code is the material, and mastery of HTML, CSS, and JavaScript is the only honest path to great interfaces.
Robin Rendle is a British-born designer, writer, and developer currently working as a Software Designer at Apple. Known for his deeply humanistic approach to web design and typography, he has spent over a decade shaping how the web community thinks about CSS, type, and craft. He ran the CSS-Tricks newsletter for years, launched The Cascade - a member-supported blog about CSS - and maintains one of the web's most thoughtful personal sites with over 900 published notes. He holds an MA in Typography from the University of Reading and writes with a rare blend of technical precision and literary sensibility.
Steve Schoger is a Canadian visual designer and partner at Tailwind Labs, best known for co-authoring Refactoring UI with Adam Wathan - a book and video course that generated over $2.5 million in sales by teaching developers how to design beautiful interfaces. He built a 127K+ Twitter following by sharing meticulous, practical design tips, and created widely-used free resources including Heroicons, Zondicons, and Hero Patterns. His work sits at the intersection of design education and developer tools, making professional UI design accessible to programmers worldwide.