Categories Articles A billionaire oligarch resigned as CEO of Russia’s second-largest oil company after being sanctioned by the UK Post author By crystalg Post date April 21, 2022 Business Insider Business Insider Tags After, Being, Billionaire, Company, Oligarch, Resigned', Russia's, Sanctioned, secondlargest ← The CNN+ streaming platform closes a couple of weeks after being launched → DNA study uncovers 58 new mutations that trigger cancer