“There’s no team without trust,” says Paul Santagata, head of industry at Google. He knows the results of the tech giant’s massive two-year study on team performance, which revealed that the highest-performing teams have one thing in common: psychological safety, the belief that you won’t be punished when you make a mistake. Studies show that psychological safety allows for taking moderate risks, speaking your mind, being creative, and sticking your neck out without fear of having it cut off — just the types of behavior that lead to market breakthroughs.