Serdar Berdimuhamedow. Serdar Gurbanguly??ewi?? Berdimuhamedow is a Turkmen politician serving as the third and current president of Turkmenistan since 2022. Berdimuhamedow had previously served in several other positions within the government of his father, Gurbanguly, the long-standing authoritarian ruler of Turkmenistan. The father and son entered into a power-sharing arrangement in 2022, through which they jointly rule a authoritarian dictatorship in Turkmenistan.