Great breakdown of the new product development process. Concurrent engineering is such a crucial part since it's a collaborative effort between all departments and really helps with keeping everyone on the same page. Concurrent engineering allows simultaneous design and manufacturability to lessen time-to-market, improve quality and optimize supply chain (Anderson, 1993). By doing this the internal and external processes can efficiently be developed and the entire supply chain can be streamlined. With your experience at Amazon on a new product launch how much collaboration between departments did you encounter and how do you think your supply chain was impacted