She will succeed Thomas Rappuhn, who spent 30 years at the company, including 12 years on the executive board and 8 years as chief executive officer.
Hanssen, who is trained as a reservoir engineer and petroleum economist, is currently chief executive officer of the French utility group Engie’s exploration and production business. Her oil and gas industry experience includes stints with Hydro ASA, Statoil ASA, and Aker ASA.
