An influential software testing expert and methodology researcher. He contributed significantly to the agile testing movement and developed the Exploration Through Example approach. His work on behaviour-driven development and the Four Quadrants of Agile Testing continues to shape modern testing practices.
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.