He has been CEO of Eni since May 2014.
Born in Milan in 1955, he graduated in physics in 1979 from the University of Milan.
He is currently Member of the General Board of Confindustria and Director of Fondazione Teatro alla Scala.
He joined Eni in 1981 as Oil & Gas field petroleum engineering and project manager, for the development of North Sea, Libya, Nigeria and Congo. In 1990 he was appointed Head of reservoir and operating activities for Italy.
In 1994 he was named Managing Director of Eni subsidiary in Congo and in 1998 Vice Chairman & Managing Director of Naoc, Eni subsidiary in Nigeria.
From 2000 to 2001 he held the position of Executive Vice President for Africa, Middle East and China.
From 2002 to 2005 he was Executive Vice President for Italy, Africa, Middle East covering also the role of Member of the Board of several Eni subsidiaries in the area.
In 2005 he was appointed Deputy Chief Operating Officer of Eni - Exploration & Production Division.
From 2006 to 2014 he was President of Assomineraria.
From 2008 to 2014 he was Chief Operating Officer of Eni - Exploration & Production Division.
From 2010 to 2014 he held the position of Chairman of Eni UK.
In 2012 Claudio Descalzi was the first European in the field of Oil&Gas to receive the prestigious "Charles F. Rand Memorial Gold Medal 2012" award by the Society of Petroleum Engineers and the American Institute of Mining Engineers.