Sonexay Siphandone. Sonexay Siphandone is a Laotian politician who has served as the prime minister of Laos since 30 December 2022. A member of the Lao People's Revolutionary Party (LPRP), he previously served as the deputy prime minister from 2016 to 2022. He is the son of former LPRP Chairman and former president Khamtai Siphandone.