Key account manager is assigned to a company headquarters to oversee the account team assigned to a particular account.

An key account manager is a person who works for a company and is responsible for investment of the company. 

Key Account managers serve as the interface between the finance service and the sales team in a company.

Key account manager manages the team of special personnel and performance of special activities directed at an organization’s most important customers.

It describes the individual approach of buying center of company to their organization in order to create long everlasting business relationship.