Prime Minister of the Czech Republic
The prime minister of the Czech Republic (Czech: Předseda vlády České republiky) is the head of the government of the Czech Republic and the de facto leader and most powerful member of the executive branch. The Constitution provides that certain presidential actions require the prime minister's countersignature, including in appointing judges and ambassadors, commanding the military, ratifying treaties and issuing amnesties.
Source: Wikipedia — Prime Minister of the Czech Republic (CC BY-SA 4.0)