Leonid Mikhelson, one of Russia’s most influential businessmen, has built a legacy of wealth, power, and significant influence in the global energy market....
By 193cc World's BillionairesMay 6, 2025Jeffrey Hildebrand is a name synonymous with success in the oil and gas industry. As the cofounder and later sole owner of Hilcorp...
By 193cc World's BillionairesDecember 27, 2024