The others included fertiliser firm founder Andrey Guryev, truck manufacturing firm director Sergey Kogogin, diamond producer Sergey Sergeyevich Ivanov, natural gas firm boss Leonid Mikhelson, Gazprombank chief executive Andrey Akimov, oil producer Gazpromneft chief executive Aleksander Dyukov, and Boris Borisovich Rotenberg – the son of the co-owner of Russia’s largest gas pipeline producer SGM.