Lead singer for the Swedish melodic loss of life music group Amon Amarth. His music group became known because of its Viking and Norse mythology-based lyrics. At age nineteen, he became a founding person in Amon Amarth. Between 1998 and 2014, he released over seven studio room albums with Amon Amarth. His music group started in Tumba, Sweden. He wedded Maria Rizell Hegg. He was bandmates with drummer Martin Lopez in Amon Amarth.