private energy firms
Billionairesworld's billionaires
Leonid Mikhelson & Family: The Life of Russia’s Gas Tycoon
Leonid Mikhelson, one of Russia’s most influential businessmen, has built a legacy of wealth, power, and significant influence in the global energy market....
Billionairesworld's billionaires
Jeffrey Hildebrand: Visionary Entrepreneur Behind Hilcorp Energy
Jeffrey Hildebrand is a name synonymous with success in the oil and gas industry. As the cofounder and later sole owner of Hilcorp...
