Nils Anders Mortensen was born in Flekkefjord in 1971. He began playing piano at age three, and in 1986 he won the Norwegian Young Pianist Competition. He studied at the Norwegian Academy of Music, École Normale in Paris, and Hochschule für Musik und Theater in Hannover with Einar Steen-Nøkleberg. Other important teachers have been Tatjana Nikolajeva and Hans Leygraf.
In 1996 Nils Anders Mortensen was the recipient of the prestigious Concerts Norway “Debutant of the Year” award. He has won international prizes and grants. In 1998 he won the Mozarteum Prize in Salzburg. In 2004 Mortensen received the Robert Levin Memorial Prize.
Mortensen has appeared as soloist with Norway’s leading orchestras. He recorded piano concertos of Geirr Tveitt with the Stavanger Symphony Orchestra. His solo album Im Freien, with music of Debussy, Grieg, and Bartok, was released in 2012 to glowing reviews. Mortensen has also released four recordings with mezzo-soprano Marianne Beate Kielland on the LAWO Classics label: Früh (LWC1033), Sæle jolekveld (LWC1040), Grieg (LWC1059) and Young Elling (LWC1072).