“One can even say that the core of Toyota culture is a practical approach to scientific thinking. If, in fact, improvement based on scientific thinking is what brings TPS to life, how do we develop people who think this way? Toyota’s answer is the coach-learner relationship and daily practice. Toyota has developed each of its executives, managers, and supervisors as coaches over many decades, something few other organizations have done.” 

The Toyota Way 2nd Edition by Jeffrey K. Liker (McGraw Hill, 2021) p. 9.