Meet more people working at the company.
They need basic management skills.
They need to learn coaching skills. Japanese people are goog at managing people but bad at leading people.
They need a clear definition of the job title and compensation compared to other successful brands especially western brands.
Top - middle management needs to have people development training, especially emtional intelligence is required in such demanding company. Need to hire diverse people (non-Japanese, non- Asian) especially at the high executive level