Vue FesJapan 2026
The main visual of Vue Fes Japan 2026. It features a silhouette of a V, representing Vue, and a circle, representing the Japanese flag, side by side. The colors are deep matcha-like shades derived from the two colors, and the circle features a Japanese gold marbling pattern.
OtemachiPlace Hall & Conference

Speaker

Leo Kettmeir

Leo Kettmeir

Affiliation
Denoland

I am a software engineer at Deno, where I've implemented key Web APIs—including WebSocket, WebGPU, and Web Storage—and contributed to core runtime features.

I focus on improving developer experience through tooling and documentation. Additionally, I am a maintainer to jsr.io, a modern alternative to npm, where I lead work on documentation tooling and registry infrastructure.

Leo Kettmeir

Affiliation
Denoland

I am a software engineer at Deno, where I've implemented key Web APIs—including WebSocket, WebGPU, and Web Storage—and contributed to core runtime features.

I focus on improving developer experience through tooling and documentation. Additionally, I am a maintainer to jsr.io, a modern alternative to npm, where I lead work on documentation tooling and registry infrastructure.