Success in a sales force requires having strong talent up and down the organization. A weak salesperson will weaken a sales territory, a bad sales manager will damage their team and dampen results in their region, and a poor sales leader will eventually ruin the entire sales force. For even the most seasoned among us, it can be difficult to recognize the signs of a poor sales leader and the possible damage the person can do — especially when they appear to do some good early on. See full Harvard Business Review article here