Javier Gerardo Milei is an Argentine politician and economist who has served as the president of Argentina since December 2023. Milei has taught university courses and written on various aspects of economics and politics, and also hosted radio programs on the subject. Milei's views distinguish him in the Argentine political landscape and have garnered significant public attention and polarizing reactions.

The president of Argentina is both head of state and head of government of Argentina. Under the national constitution, the president is also the chief executive of the federal government and commander-in-chief of the armed forces.