Chief Adviser of Bangladesh

The chief adviser of Bangladesh, officially the chief adviser of the People's Republic of Bangladesh, is the chief executive of the caretaker and the interim government of Bangladesh, who serves as the head of government during the transition period between one elected government and another. With powers roughly equivalent to those of the prime minister of an elected government, their executive power is limited by the constitution.

Source: Wikipedia — Chief Adviser of Bangladesh (CC BY-SA 4.0)