Which position or group of stakeholders has the most power in your organization

Which position or group of stakeholders has the
most power in your organization or one with which you are familiar? Is their
power obtained through formal positions, or does the culture of the organization
lead to some people or groups having more power than others? How can the
distribution of power be used to motivate employees? How can the organizational
structure of a company impact the distribution of power?
See attachment.