1) Dispatcher 
One who clerks and hastens the arrival of building materials or equipment to meet a progress schedule.
expediter, expeditor 1. A person or tool that expedites something; especially, someone employed to move shipments on schedule. 2. Someone who is employed to ensure efficient movement of goods or supplies in a business.
a person or thing that expedites something, esp. one employed to move shipments on schedule, as for a railroad.