her mother's surname. Yulia's paternal grandfather, Abram Kapitelman (), was born in 1914. After graduating from Dnipropetrovsk State University in 1940, Kapitelman was sent to work in Western Ukraine, where he worked "one academic quarter" as the director of a public Jewish school in the city Sniatyn. Kapitelman was mobilized into the army in the autumn of 1940 and subsequently was killed while taking part in the Great Patriotic War (1941–1945) on 8 November 1944, with the rank of "lieutenant" in Signal corps. Education In 1977, Tymoshenko graduated from high school № 75 in Dnipropetrovsk. Tymoshenko constantly helps the school. In 1978, Tymoshenko was enrolled in the Automatization and Telemechanics Department of the Dnipropetrovsk Mining Institute. In 1979, she transferred to the Economics Department of the Dnipropetrovsk State University, majoring in cybernetic engineering and graduating in 1984 with first degree honors as an engineer-economist. In 1999, she defended her PhD dissertation, titled State Regulation of the tax system, at the Kyiv National Economic University and received a Ph.D. in economics. Commercial career Tymoshenko has worked as a practicing economist and academic. Prior to her political career, she became a successful but controversial businesswoman in the gas industry, becoming by some estimates one of the richest people in the country. Before becoming Ukraine's first female prime minister in 2005, Tymoshenko co-led the Orange Revolution. She was placed third in Forbes magazine's List of The World's 100 Most Powerful Women 2005. After graduating from the Dnipropetrovsk State University in 1984, Tymoshenko worked as an engineer-economist in the "Dnipro Machine-Building Plant" (which produced missiles) in Dnipropetrovsk until 1988. In 1988, as part of the perestroika initiatives, Yulia and Oleksandr Tymoshenko borrowed 5,000 roubles and opened a video-rental cooperative, perhaps with the help of Oleksander's father, Gennadi Tymoshenko, who presided over a regional film-distribution network in the provincial council. From 1989 to 1991, Yulia and Oleksandr Tymoshenko founded and led a commercial video-rental company "Terminal" in Dnipropetrovsk, In 1991, Tymoshenko established (jointly with her husband Oleksandr, Gennadi Tymoshenko, and Olexandr Gravets) "The Ukrainian Petrol Corporation", a company that supplied the agriculture industry of Dnipropetrovsk with fuel from 1991 to 1995. Tymoshenko worked as a general director. In 1995, this company was reorganized into United Energy Systems of Ukraine. Tymoshenko served as the president of United Energy Systems of Ukraine, a privately owned middleman company that became the main importer of Russian natural gas to