Company

2025 — Founded ZenChain LLC; Representative Member

Founded ZenChain LLC to invest in and develop new businesses using AI. Supports Web3 project launches and conducts research and development on AI-assisted user experiences. Provides technical advisory and development support to companies working on AI-assisted software development, system modernization, and in-house development.

2010 — Founded Samurai Inc.; CEO

Designed and implemented NFC-based online-to-offline (O2O) packages and payment solutions. Uses AI in software development. Introduced DID/VC-based digital credential platforms, blockchain technology, native smartphone apps with NFC functionality, cross-platform development with React Native and Flutter, and serverless microservices into client systems.

• Provided systems and new business consulting to major companies, including Sony Group companies, covering business and investment planning.
• Launched the company’s own media site and worked on attracting visitors through SEO.
• Received investment from Sony Payment Services, making Samurai an affiliated company.
• Samurai became a subsidiary of a Web3 company in 2024. He continues to serve as CEO.

2005–2007 — Board Director and Executive Officer, e-Cash Inc.

The company listed on the Tokyo Stock Exchange Mothers market during his tenure. Oversaw the establishment of the systems development department and the development of e-commerce sites for major companies. Also contributed articles to IT media and wrote technical books on BizTalk Server.

2002–2005 — Digital Garage

Led development of the Java-based e-commerce package “mojo” and served as project manager, handling external vendors and payment system integration. Also spoke at SOAP/Web API seminars and wrote technical books.