Satya Nadella, CEO of Microsoft, wanted employees to start cooperating instead of competing. Employees are no longer assessed on a curve, with those ending up at the lower end often getting no bonus or promotion. For the firm's annual executive retreat in 2015, Mr. Nadella included the heads of companies Microsoft had recently acquired, such as Mojang, the maker of the Minecraft video game, and Acompli, an email app. In doing so, he broke with the tradition that only longtime executives can attend the retreat. Nadella is O modeling the change he wants O creating a sense of urgency O creating a crisis