Shaking up their management teams, Nike (NKE)  and Starbucks (SBUX)  hope to return to glory after experiencing slower growth in recent years.Nike recently announced its CEO John Donahoe will retire on October 13 after taking over the helm in 2020 and serving on the board of directors since 2014. Donahoe will be replaced by longtime executive Elliot Hill who joined Nike in 1998 as a sales intern.Meanwhile, Starbucks appointed Brian Niccol as its new CEO last month who previously served as the head of Chipot ...