Eritrea

1. The President of Eritrea is the Head of the State and the Government of Eritrea and the Commander-in-Chief of the Eritrean Defense Forces.
2. The executive authority is vested in the President, which he shall exercise, in consultation with the Cabinet, pursuant to the provisions of this Constitution.
3. The President shall ensure respect of the Constitution; the integrity and dignity of the State; the efficient management of the public service; and the interests and safety of all citizens, including the enjoyment of their fundamental rights and freedoms recognized under this Constitution. (Art. 39)

Any member of the National Assembly who seeks to be a candidate to the office of the President of Eritrea shall be a citizen of Eritrea by birth. (Art. 40)

1. The President shall be elected from amongst the members of the National Assembly by all absolute majority vote of its members. A candidate for the office of the President must be nominated by at least 20 percent vote of all the members of the National Assembly.
… (Art. 41)