The Chairperson of the African Union (AU) is the head of the organization, and their role rotates every year among the member states.
For 2025, the current Chairperson of the African Union is Azali Assoumani, the President of Comoros. He took over the role at the 36th Ordinary Session of the Assembly of the African Union in February 2023, and his term as Chairperson runs until 2024.
If you were referring to something else or another context, feel free to clarify!