Program

Two days of talks on Ruby, its use in business, and the future of the community.

10:00 10:20	Opening Ceremony Opening remarks: Yukihiro Matsumoto, Chairperson of Executive Committee Tatsuya Maruyama, Governor of Shimane Prefecture Akihito Uesada, Deputy Mayor of Matsue City
10:25 10:45	Ruby Sponsor Session Day1 10:25-10:35 Network Applied Communication Laboratory Ltd. 10:35-10:45 supa, inc.
10:55 to 11:55	Keynote-1 Ruby Startups Today Irina Nazarova Evil Martians / CEO Session details
11:55 13:00	Lunch break Sponsor short presentations (Large Exhibition Hall, 1F) 12:05-12:15 PSC Inc. 12:15-12:25 ESM, Inc. 12:25-12:35 VITAL LEAD Co., Ltd.
13:00 13:40	Ruby Prize 2026 Award Ceremony
13:40 14:20	Ruby City MATSUE 20th Anniversary Special Event
14:30 to 14:45	15-minute talk-1 Run Ruby Everywhere with the seL4 Microkernel Shun Hiraoka ESM, Inc. Session details
14:50 to 15:05	15-minute talk-2 Ruby × LLM: Is It Really Improving the User Experience? — Lessons from Error Detection and Anti-Patterns Kota Koyama Hubble,Inc. / Lead Backend Engineer Session details
15:05 15:35	Coffee break (Large Exhibition Hall, 1F)
15:40 to 16:10	30-minute talk-1 Graduating from SaaS, Crossing the Sea: In-House Rails Behind 2,000 Unstaffed Gyms, and How AI Shifted the Build-vs-Buy Break-Even Point Naoyuki Sato RIZAP TECHNOLOGIES,Inc. / Director Session details
16:15 to 16:45	30-minute talk-2 Circuit Breakers for Ruby in the AI Era Asfur Georgy Evil Martians / Software Engineer Session details
17:00 18:10	Ruby biz Grand prix 2026 Award Ceremony (Small Hall, 1F)
18:30 20:30	Reception (Multipurpose Hall, 1F)