corporate, cooperate

Corporate or corporate describes something related to an association, one regarded as a single entity for legal purposes --
Our corporate charter requires us to have an annual meeting.
He hopes to climb the corporate ladder, to be an executive.

Corporate may describe the main governing body of a business, its head office --
We have some new regulations, sent from corporate headquarters.
He's the only corporate executive who doesn't want to see this branch office closed.

Cooperate or cooperate ( also spelled coöperate or co-operate ) means to work or act together, or to be willing to work or act with others; to go along with the program --
If we all cooperate, the work will be done in an hour or two.
He won't cooperate, even when all of the others are getting along.

Now that you know that, you can say --
"We will improve our corporate culture if we all cooperate with the new director."