Born in 1968. Graduate of Minsk Suvorov Military School and Moscow State Institute of International relations (Department of Economics). From the middle 1990s Mr. Mazepin held the top management positions in large companies such as Tyumen oil company, Nizhnevartovskneftegas, Kuzbassugol Coal company. From 2002 till 2003 Mr. Mazepin held the position of Chief Executive Officer of AK SIBUR. Since 2007, Dmitry Mazepin is Chairman of the Board of Directors of URALCHEM.