Kim Jong-Un is the Supreme Leader of North Korea, having taken power in December 2011 after the death of his father, Kim Jong-Il. He is known for his authoritarian rule and has focused on developing the country's nuclear weapons program, which has led to international tensions and sanctions. Born on January 8, 1984, Kim Jong-Un was educated in Switzerland and is the youngest son of Kim Jong-Il. He has maintained a tight grip on power, often using propaganda and military displays to reinforce his leadership. His regime is characterized by strict control over the media and limited freedoms for the North Korean people.