Singer, guitarist and keyboardist from Stockholm (Sweden) born at the 9th of March 1971. In the beginning of his career he relied solely on death metal grunts but later switched to deep baritone vocals. He founded Tiamat in 1988. Later he also founded Lucyfire to release the music which didn't suit to Tiamat. In the end of the 80s he also have been a member of the black metal band Treblinka and the death/doom metal band Expulsion.