Who runs APM?

Can you clarify who exactly is in charge of APM? Is it a single individual, a team, or an organization? Are they well-known in the industry? What kind of experience and qualifications do they possess that make them suitable for leading APM? It would be helpful to understand the structure and hierarchy of APM, as well as the background of the individuals or groups responsible for its operations. Additionally, is there a clear line of communication between APM and its stakeholders, such as investors and customers?