JapanTech

[Y Combinator] VoiceOS co-founder Kai Brokering on 0-to-1, product development, and lessons from YC

Online talk with VoiceOS co-founder and YC X25 alum Kai Brokering on 0-to-1 product building, YC lessons, and vibe coding.

When
Sun, May 10, 2026 · 12:00–13:00 JST
Where
Online
Organizer
TORYUMON OFFICE SHIBUYA
Language
JA
Source
Luma
Summary
An online pre-event for TORYUMON ZERO, F Ventures' incubation program for under-25 founders. The guest is Kai Brokering, co-founder of VoiceOS and a Y Combinator X25 batch participant, talking about the reality of 0-to-1 product development, decision-making during YC, and building with AI ("vibe coding"). The session includes a live demo of VoiceOS and a Q&A. It is aimed at U25 builders interested in startups, founders working on AI products, and anyone curious about how globally-competitive YC founders think and operate. The event is free, runs on Zoom from 12:00 to 13:00 JST on Sunday May 10, and is registration-gated: approved registrants receive the viewing link.
About the community

TORYUMON ZERO is an under-25 incubation program run by F Ventures, structured around AI-first product development ("vibe coding") and taking participants from ideation through prototyping, user validation, and a final pitch in roughly two months. This event is an online pre-program study session that doubles as additional recruiting for the cohort.

#startup#y-combinator#ai#product-development#vibe-coding#founders#u25