Ukrainian oligarch and 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 is said to have 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.
Ihor Kolomoyskyi - Wikipedia
"Ukrainian-Jewish Billionaire Igor Kolomoisky sues Russia" - The Jewish Daily Forward (2016)
1+1 Media Group - Wikipedia
PrivatBank - Wikipedia