Dennis is Head of Design & Development at Diagram, where he guides designers, developers, and QA specialists. With expertise spanning coding, design, UX, and testing, he leads with bold ideas and hands-on collaboration.
He's driven by discovering ways that design can positively influence others and inspire change. That mission extends to cultivating a workplace culture that embraces diversity, rewards creativity, and lets people thrive.
Dennis is a recognized speaker, writer, and contributor in the UX and web design communities, with a passion for design-thinking, mobile web, accessibility, and design ethics.
On this site, Dennis writes from a human perspective about practical AI implementation, ethical frameworks, and the art of vibe coding — exploring what it means to build things thoughtfully in an age of AI.