Head of Design @ryolu_ helped transform Cursor from a feature-layer on top of VS Code into one of the world's leading AI code editors. He joins YC's @aaron_epstein on Design Review to talk about the path that brought him to Cursor, how rapid prototyping reshaped the core product, and how he's on a mission to break down the barriers that once separated designers and coders. 00:00 — Designers Becoming Builders 04:11 — Learning by Building, Not Studying 08:39 — Inside Cursor’s Design Team 13:30 — Designing Systems, Not Features 17:40 — Rebuilding Cursor Around Agents 23:15 — Prototyping With “Baby Cursor” 30:52 — Design as Sculpting 36:10 — The Future of Designers and Engineers