Chairman of State Corporation “Turkmengeology”. Merdan Roziyev was born on June 25, 1977 in Pelvert province of Halach district of Lebap region. Education is higher. He graduated from the Turkmen Polytechnic Institute in 2000. After graduation, in March 2000 he began his career at Farab expedition of oil and gas exploration of SC “Turkmengeology” and worked as a driller assistant, driller, drilling foreman. 2006-2009 – worked as a drilling foreman, chief engineer of bore testing expedition at “Lebapnebitgazgozleg” Directorate of SC “Turkmengeology”. 2009-2015 – worked as an exploration director of bore testing at “Lebapnebitgazgozleg” Directorate of SC “Turkmengeology”. 2015-2019 – worked as a shift chief at the Engineering and Technology service of “Lebapnebitgazgozleg” Directorate of SC “Turkmengeology”. 2019-2020 – worked as a drilling master, master of complex works of the Central engineering and Technology service of “Balkannebitgozleg” Expedition of SC “Turkmengeology”. January-July of 2020 - Deputy chairman for drilling of SC “Turkmengeology”. 3 rd of July- present – Chairman of SC “Turkmengeology”.