Peter Drucker is the most often quoted business leadership scientist in America. What about some of his disciples, for example, Frances Hesselbein? A person who, at 102, has to be considered one of the more inspirational and long living leadership is American business. Let the film speak for itself.

https://en.wikipedia.org/wiki/Frances_Hesselbein

1. Ask don’t tell, think first / speak last.
2. Without followers there can be no leaders.
3. Effective leaders are those who have followers who do the right thing.
4. Leaders are highly visible, they set examples.