Who controls Sentinels?

Who, exactly, holds the reins of control over Sentinels? Is it a centralized authority, or is the power distributed among various stakeholders? Are there specific individuals or groups that dictate the direction and future of this entity, or is it more of a decentralized, community-driven effort? Understanding the governance structure and control dynamics of Sentinels is crucial for anyone looking to invest in, engage with, or simply stay informed about this entity. So, who truly calls the shots when it comes to Sentinels?