What role does corporate governance play with the practice of a Project Management Office? Corporate governance is defined as `mechanisms, processes and relations by which corporations are controlled and directed` by `Wikipedia`. * What role does it play when starting a Project Management Office? * What role does it play in the project management style?

None whatsoever.

Except for the fact that the PMO, like **all** company departments, must operate within the rules, practises and processes defined within Corporate Governance.

The exception would be if the project is actually delivering or working on the corporate governance.