Mikael Spreitz has a multifaceted career, on his resume he can write actor, television personality, bodyguard and special lecturer.Spreitz is well known for The Girl Who Kicked the Hornet's Nest and The Girl Who Played with Fire where he portrayed Ronald Niederman.Spreitz has a background as a martial artist competing for Sweden, multiple swedish champion and silver medalist at the European championship in 1985.In 2013 Spreitz founded Fighterhjälpen , a non-profit charity foundation that supports children with cancer.