American leadership author and educator who founded the Covey Leadership Center, later merged into FranklinCovey.
The 7 Habits of Highly Effective People organises personal effectiveness around principles rather than techniques, and its working parts - the circle of influence, the urgency-importance quadrants, begin with the end in mind, think win-win - entered standard managerial vocabulary. Principle-Centered Leadership applies the same framework at organisational scale.
3 books of their own