Bruno Simon is a French creative-developer best known for Three.js Journey — the canonical paid course on the Three.js library and one of the most successful independent developer-education products of the last decade. His personal website (bruno-simon.com), a 3D Mario-Kart-style portfolio rendered with Three.js, is widely cited as a benchmark of what's possible with WebGL in the browser.
His CourseFlix listing carries Three.js Journey — The Ultimate Three.js Course. Material is paid and aimed at front-end developers building 3D experiences on the open web rather than in a game engine.
