HBR’s On Managing Yourself The Effective Executive By Peter Drucker 
This first part was written by Jim Collins and is the intro to the Effective Executive

This is the forward to the legendary book on executive self-management by Peter Drucker, The Effective Executive. It doesn't matter the size of your organization, or even whether you run an organization at all. Anyone who has responsibility for getting the right things done—anyone who seeks how best to self-deploy on the few priorities that will make the biggest impact—is an executive.

The most effective among us have the same number of hours as everyone else, yet they deploy them better, often much better than people with far grea...