This excellent article in Harvard Business Journal makes the point that effective change begins with the leadership.
“Few leaders would disagree that personal transformation is an important building block of any successful change effort. Unfortunately, too many leaders want transformation to happen at unrealistic speeds, with minimal effort, and everywhere but within themselves. A leader’s ability to affect change depends on their ability to affect change within themselves. Accepting this will fundamentally shift how one leads. The more a leader knows how they will react during change, the better equipped they’ll be to foster real change in themselves, others, and the organization.”