In a shipping logistics supply chain, an expeditor's role is primarily to look at the requirement levels in the business and fulfill the demands by either rescheduling in or rescheduling out the delivery date on the purchase order. The expeditor is also responsible for making sure there is no line stopping situation for a business. The key metrics which an expeditor influences may be - on time delivery, cash flow cycle and inventory management. An expeditor needs to be assertive and needs to know the business at high contextual levels