José Luis Rodríguez Zapatero is Presidente del Gobierno (President of the Government).
They are called a president
The leader of the Republic of Gambia is the President, Yahya Jammeh.
The leader in Sri Lanka is the president, who is chosen by a Presidential Election. The current president is HE Mahinda Rajapaksha.
The leader of the executive branch is the President, who is currently Barak Obama.
king, queen, president, ect.
Mwai Kibani is the current Kenyan President.
The Pope is the head of the catholic church and therefore, the 'Vatican leader'.
"Assuming you mean the "Peruvian" government leader, it's President Alan Garcia Perez.
The executive leader of the United States is the President.
Greece is a parliamentary republic and as such has President Karolos Papoulias as leader of the nation and army, and Prime Minister Kostas Karamanlis as leader of the government.
Yes, Austria has an elected president as leader.
the leader is usually the vice president or the president