Viken was previous Country manager and Senior Vice President of Algeria (ALG) in Development and Production International.

Viken joined Statoil in 1992 after nine years in Elf Aquitaine Norway.

He has held various leadership positions both on- and offshore within operations in Development and Production Norway (DPN), headed up the Mongstad refinery in Marketing Manufacturing and Processing (MMP) and been responsible for marine and subsea technology in in technology development and implementation. He holds a BSc in civil engineering and a master of petroleum engineering from University of Stavanger.