Program

10:00 10:30	Opening Ceremony Opening Greetings: Yukihiro Matsumoto [Chairperson of Executive Committee] Tatsuya Maruyama [Governor of Shimane Prefecture] Akihito Uesada [Deputy Mayor of Matsue City] Masaki Shimode［General Manager, Planning Department and Innovation Department, Digital Infrastructure Center, Information-technology Promotion Agency, Japan］
10:35 10:45	Ruby sponsor session Day1 Smalruby Programming Koshien (web-based) Ken Tanaka (Network Applied Communication Laboratory Ltd.)
10:50 11:50	Keynote Address-1 Sanarei: Offline Web Browsing with Ruby Bernard Banta Finplus Group / CTO and Co-founder
11:50 13:00	Lunch Time [SPONSOR] Short presentation (1F・Large Exhibition Hall) 12:00-12:10 ESM Super Lightning Talks Vol.3 ESM Super Lightning Talkers (ESM, Inc.) 12:10-12:20 Redmine × Generative AI: The Potential of Issues Management Takayuki Yoshioka (Far End Technologies Corporation) 12:20-12:30 From Izumo to All of Japan: Vital Lead’s Challenge to Solve Regional Issues with Ruby Akito Sato (VITAL LEAD Co., Ltd.) 12:30-12:40 Ruby Business Council 10th Anniversary Michiko Takahata (Ruby Business Council)
13:00 13:40	Ruby Prize 2025 Award
13:50 14:05	15min presentation-1 Mastering Scalable Organizations with Modular Monoliths Yoh Osaki ANDPAD Inc.
14:10 14:25	15min presentation-2 The Key to Growing Ruby Engineers for DX — Exploring the Training Know-How for Building a Development Team with Over 90% New Graduates Tomohiro Umeda RIZAP TECHNOLOGIES,Inc.
14:30 14:45	15min presentation-3 Ruby Enables Business Continuity Management Asami Kawakami TIS Inc. Nobuya Hayashi TIS Inc. / Section Chief
14:50 15:05	15min presentation-4 Building a Securities System from Scratch with Ruby and Go: What Went Well, What Was Hard, and the Lessons Learned Satoshi Kobayashi Bloomo Securities Inc./Director & CTO
15:05 15:35	Coffee Break
15:40 16:10	30min presentation-1 Use of Ruby in Tokyo Gas Group’s Earthquake Disaster Prevention Systems Maika Yamaguchi TOKYO GAS i NET CORP.
16:15 16:45	30min presentation-2 Ruby Powering Dental DX - Development Case Study of "Dentis" Dental Management System Toshio Maki MEDLEY, INC./Division Manager, Dental Clinic Division
17:00 18:10	Ruby biz Grand prix 2025 Award (1F・Small Hall)
18:30 20:30	Reception (1F・Large Exhibition Hall)