Hassanal Bolkiah is the Sultan of Brunei, a small, wealthy nation located on the island of Borneo in Southeast Asia. He has been the ruler since 1967, making him one of the longest-serving monarchs in the world. Under his leadership, Brunei has maintained a stable economy largely due to its rich oil and gas reserves. As a constitutional monarch, Hassanal Bolkiah holds significant power over the government and is also the Prime Minister. He is known for his lavish lifestyle and has invested in various development projects to improve the country's infrastructure and education system.