Daníel has been part of the local and international music scene since he started his career with the Icelandic pop group Nýdönsk in 1987.

He then branched out into acting in the National and Municipal theatres, playing roles in West Side Story, Jesus Christ Superstar (Pontius Pilate), and Stone Free.

His first solo album, Swallowed a Star, was released by One Little Indian in Europe (2005) and North America (2006).

Daníel formed a musical pet project with heavy metal band Mínus front man Krummi Björgvinsson, called Esja, and released a self-titled album in 2008.

Daníel rejoined GusGus with the releases of Forever in 2007, 24/7 (2009), Arabian Horse (2011), and Mexico (2014), touring extensively in Europe.