He looked for commitment, to the cause and not just to their own success. Team First! You need to find... people who put the company first...But how do you know when you have found such a person? Keep note of the times when they give up things, and when they are excited for someone else's success. Sundar notes that "sometimes decisions come up and people have to give up things. I overindex [pay a lot of attention to] on those signals when people give something up. Also when someone is excited because something else is working well in the company. It isn't related to them but they are excited. I watch for that. Like when you see a player on the bench cheering for someone else on the team p117-18

Trillion Dollar Coach by Eric Schmidt