A sales closer is an individual who is responsible for completing the sale with a customer. This person may work in a number of different industries and may use a variety of sales techniques to complete the sale. A sales closer is an important part of any sales team. This person is responsible for ensuring that the sale is completed and that the customer is satisfied. The closer must be able to build rapport with the customer, identify their needs, and then match those needs with the products or services being sold. In some cases, the closer may also be responsible for negotiating the price of the product or service.