ALBAWABA - Mikhail Fridman, a Russian–Israeli tycoon and one of the co-founders of Alfa-Group, a multinational Russian conglomerate and Petr Aven, a Russian businessman, economist, and politician who also holds Latvian citizenship now owns stakes in Harbour Energy, an independent UK oil company with gas and oil interests in the United Kingdom, Asia, Africa, and Mexico. LetterOne and Harbour Energy The two Russian tycoons, who own LetterOne, an international investment ...