Klas Frans Åhlund (born April 11, 1972) is a Swedish songwriter, record producer, and guitarist, known for his work in pop, rock, and electronic music, as well as for his collaborations with numerous international artists. He was born in Stockholm, Sweden, and is a founding member of the band Teddybears. He is also the brother of musician Joakim Åhlund of the band Caesars. Åhlund began his career in the 1990s and gained recognition as both a performer and a producer. Over time, he established himself as a prominent songwriter and producer, working with a wide range of artists including Robyn, Katy Perry, Madonna, Britney Spears, Kesha, Swedish House Mafia, and The Weeknd. In addition to his work in pop music, he has contributed to alternative and rock projects, notably producing music for the band Ghost and collaborating on various international releases. Åhlund's style often blends elements of rock, pop, and electronic music, reflecting his diverse musical background.