Asgeir Mickelson is drummer for Thornbound and Spiral Architect. He has played drums for Borknagar, Scariot, Lunaris, Sturmgeist, Ihsahn, Testament. He also drummed for Anesthesia, Enslavement Of Beauty, Grail, Spastic Ink, and Vintersorg.
Asgeir Mickelson is co-owner of Scream Magazine, Norway's largest metal magazine, and runs MultiMono a design company. He works as IT-director in New Deal DDB - one of Norway's biggest advertisement agencies, and is entangled in FaceFront - a small record label for Norwegian metal bands.