Apple CEO Tim Cook has been on Nike's board for almost 20 years, and now he has to help guide the major sports brand through some stormy weather.

Tim Cook followed Steve Jobs’ now legendary return, and Apple’s doing better than anyone dreamed. Parag Agrawal followed Jack Dorsey’s second tour at the company formerly known as Twitter, only to be digitally defenestrated by Elon Musk.

A new iPad lineup wasn’t the only thing on Tim Cook’s mind when he introduced the tablets from Apple Inc.’s California headquarters in May. The hint was on his feet: a pair of one-of-a-kind sneakers designed on an iPad just for Cook,