A leading authority on embedded software development and test-driven development (TDD). He invented Planning Poker, a widely-used agile estimation technique. His work on applying agile practices to embedded systems has transformed how teams approach hardware-dependent development.
The "New New Product Development Game" by Hirotaka Takeuchi and Ikujiro Nonaka introduced the concept of a faster, flexible approach to product development. Emphasising teamwork, self-organisation, and overlapping phases, it likens the process to a rugby match, where teams pass the ball seamlessly. This method, foundational to Agile, encourages innovation and adaptability in competitive markets.