If you do your job well, and everyone else does their jobs well, everyone succeeds, right? Wrong. In fact, in any organization, it's not only important that everyone do what they are supposed to — everyone also needs to work together. Don't let a silo mentality take over your company. Recognize that you are all responsible for each other's work and if there is a problem anywhere in the organization, everyone fails. Refuse to allow people to go to their separate corners. Encourage people to meet regularly to share what they are learning. Have the courage to call out when one part of the organization is struggling and find a way to fix it together.
Source: "Solving Your Organization's Open-Faced Sandwich" by Peter Bregman