It's likely he is leaving because he missed out on the top Amazon job and it's not uncommon to be pushed out if you don't win a competition like that. So maybe

It's likely he is leaving because he missed out on the top Amazon job and it's not uncommon to be pushed out if you don't win a competition like that. So maybe money, maybe head of a a company is the driver, maybe he was encouraged to leave and find something else. It's a great opportunity for Dave, and a great hiring by Flexport.