A sales professional can be a sales representative or manager of the sales department in a business or organization. Your duties as a sales representative are to develop and maintain customer relationships, sell company product or services to customers, and keep a record of your inventory and sales. The responsibilities of a sales manager are to oversee customer accounts and relations processes, monitor the performance of sales representatives, train sales representatives on product information and selling techniques, and ensure that your team meets sales goals for your company. You may also oversee handling escalated customer service issues, managing inventory, and scheduling sales representatives.