DTJ is a Tokyo-based firm specializing in custom AI software solutions and hands-on AI upskilling. We blend human-centered design with AI engineering to help organizations deploy practical, high-impact tech.

Backed by our leadership team's 20+ years of combined technical expertise, DTJ (founded 14+ years ago) excels in ideation and development—delivering working solutions in weeks through rapid iteration for technical excellence and business impact. Our leaders bring AI patents recognized in 40 countries, Fortune 500 enterprise deployments, and published insights in top business publications. We've served global companies (e.g., Nissan, Dell, Mastercard) across industries like agriculture, healthcare, manufacturing, customer service, automotive, tech, finance, yielding, scalable rollouts, and measurable gains.

We're Microsoft's official training partner for Microsoft Elevate in Japan, delivering human-centered AI education on strategic impact, implementation, and governance. Launched July 2025, we've held sessions for policymakers and are executing more nationwide.

Our Services:

Human-Centered AI Leadership Academy: Equips leaders with strategic AI skills and frameworks for internal capability building

Human-Centered AI Development Program: Builds and integrates tailored AI software solutions, from prototypes to scalable systems.

We can provide these standalone, but recommend the Academy first for strategic alignment, followed by Development for maximum results. Let's co-create your AI future.

From all of us at Design Thinking Japan, Brittany Arthur Co-founder & CEO