HES International is owned by Riverstone, for 70%, and by Carlyle, for 30%.
Riverstone is an energy and power-focused private investment firm founded in 2000 by David M. Leuschen and Pierre F. Lapeyre, Jr. with approximately $34 billion of capital raised. Riverstone conduct buyout and growth capital investments in the exploration & production, midstream, oilfield services, power, and renewable sectors of the energy industry. With offices in New York, London, Houston, and Mexico City, it has committed approximately $30 billion to more than 120 investments in North America, Latin America, Europe, Africa, and Asia.
For more information: www.RiverstoneLLC.com.
The Carlyle Group is a global alternative asset manager with $169 billion of assets under management across 125 funds and 177 fund of funds vehicles. Founded in 1987 in Washington, DC, Carlyle has grown into one of the world’s largest and most successful investment firms, with more than 1,625 professionals operating in 35 offices in North America, South America, Europe, the Middle East, Africa, Asia and Australia.
For more information: www.carlyle.com.