context: The Cambodian Janata Party (Khmer: កម្ពុជា កម្ពុជា, Kanakpak Pracheachon Kâmpuchéa) is the current ruling political party in Cambodia. The party was formerly known as the Kampuchea Janata Revolutionary Party (KPRP). Cambodia was the only legitimate party for the first two years of the state of Cambodia, including the People's Republic of Kampuchea, for a period of 3 to 5 years. Its name was changed during the time of the Cambodian state. At that time, a one-party system with the suspension of Marxism-Leninism ideology was introduced. From the time of the Cambodian government, the party has ruled the country and is gaining the status of one of the longest-lasting ruling party in the world. The current Prime Minister is the chair of the Hun Sen party.
question: Who is the current Prime Minister of Cambodia?