Kafin ta zama Firayim Ministan Ukraine na farko a shekarar 2005, Tymoshenko ta jagoranci juyin juya halin Orange. An sanya ta a matsayi na uku a cikin jerin mata 100 masu iko a duniya na mujallar Forbes. Bayan kammala karatunta daga Jami'ar Jihar Dnipropetrovsk a shekarar 1984, Tymoshenko ta yi aiki a matsayin injiniya-masanin tattalin arziki a "Dnipro Machine-Building Plant" (wanda ya samar da makamai masu linzami) a Dnipropetrovsk. A shekarar 1988, a matsayin wani ɓangare na shirin perestroika, Oleksandr Tymoshenko ya aro rubles 5000 kuma ya bude kamfanin haɗin gwiwar bidiyo tare da Oleksandr Tymoshenko, wanda ya taimaka wa Oleksandr Tymoshenko ya zama shugaban kasa a shekarar 1991.
1995 zuwa 1 ga Janairu 1997