Google's corporate structure is not particularly unusual other than the existence of a few unique leadership positions such as Chief Culture Officer and Chief Internet Evangelist. The company is overseen by a board of directors, which passes instructions down through an executive management group. This group oversees several departments such as Engineering, Products, Legal, Finance and Sales. Each of these departments is divided into smaller units. For instance, the Sales department has branches dedicated to the Americas, Asia Pacific, and Europe, the Middle East and Africa. Despite the use of a standard corporate organizational structure, Google has developed a corporate culture based on giving employees substantial leeway to develop new ideas without excessive oversight.