Who is the head of city London?

The head of the City of London is the Lord Mayor of London. The Lord Mayor is elected annually by the Court of Aldermen, which is the governing body of the City of London. The Lord Mayor is the ceremonial head of the City and represents it at official functions. The Lord Mayor also chairs meetings of the Court of Aldermen and the Court of Common Council, which are the two main decision-making bodies of the City.