Cofounder of PrivatBank, the largest commercial bank in Ukraine.

70% owner of 1+1 Media Group, one of the largest media conglomerates in Ukraine.

Kolomoisky briefly served as governor of Ukraine’s Dnipropetrovsk region in 2014. He allegedly funded anti-Russian militia, including groups such as 'Azov Bataillon'. 1+1 Media aired the comedy series Servant of People featuring to-be President of Ukraine, Volodymyr Zelensky.