As title suggests book about Kaisen, main recommendation is to keep asking small questions. Keep going, pursuing small but steady gains. Over time these really add up to great benefits. In addition actively seek feedback from all to engage in structure dialogue. Praise those that bring forward issues that need addressed. Highlight suggestions as to how these could be beneficially dealt with and keep reassessing these processes over time

book review
Leadership Lessons with The Beatles: Actionable Tips and Tools for Becoming Better at Leading by Shantha Mohan
Trust your intuition and take action if have sufficient information, remember you are never going to have all the information but be sure to gather