National Account Manager: In superior companies, there may be both a national and regional account manager, but in smaller companies, you are probable to get only a national account manager. Such position may report to the sales director, the sales manager or may report directly due the other executive officer of the company. In this responsibility, you will be the firstly liaison among your accounts and the sales department of the company. This is your duty to assure that the customers are support in a professional way and so all of their requirements are being met.