It depends on the organization. Some Chief Communications Officers may be in charge of social media, but it is not always the case. Typically, the Chief Communications Officer is responsible for developing and executing a comprehensive communications strategy for the organization. This includes managing all internal and external communication channels, from press releases to social media posts. While social media may be an important part of the Chief Communications Officer’s job, it is not always the only one. In fact, many Chief Communications Officers also have substantial experience in traditional media, which can give them a valuable perspective when it comes to crafting messages that reach a wide audience.