Chancellor
The leader of the German government is called the Bundeskanzler.The German head of state is called the Bundespräsident.
The German states have their own governments. In the case of the city states the head of the state government is called Regierender Bürgermeister and in the other states the head of government is called the Ministerpräsident.
Angela Merkel
The head of the German government is the Chancellor, currently Angela Merkel (CDU)
The head of the German government is called the Bundeskanzler (female Bundeskanzlerin) - Federal Chancellor. The current Chancellor is Angela Merkel.The German head of state is called the Bundespräsident - Federal President. The current President is Horst Köhler.
The head executive of a state government is called a governor.
The head executive of a state government is called the Governor.
The head of Germany's government is called the Federal Chancellor, or just Chancellor.
The national government is called 'die Bundesregierung' (federal government). The individual Länder (states) also governments.
The head of government in Germany is called the Chancellor.
Adolf Hitler
The head executive of the government in the United States is called the President. In some countries the head is the Prime Minister.