Björn Kristian Ulvaeus is a Swedish songwriter, producer, singer, musical director. He was formerly a member of the Swedish Musical group known as ABBA from 1971- 1982, which he gained worldwide recognition. He co-composed musicals such as Chess, Kristina från Duvemåla, and Mamma Mia!
Björn Kristian Ulvaeus was born on April 25, 1945 in Gothenburg, Sweden. He is 72 years old. His parents are Erik Gunnar Ulvaeus and Aina Ulvaeus. He was married to Agnetha Faltskog from 1971-1980. He is currently married to Lena Kallersjo since 1981. He attended Lund University where he studied Law. He has four children namely, Linda Elin Ulvaeus, Peter Christian Ulvaeus, Emma Ulvaeus, Anna Ulvaeus.
- First Name: Björn
- Last Name: Ulvaeus
- Full Name at Birth:Björn Kristian Ulvaeus
- Age: 72
- Date of Birth: April 25, 1945
- Birthplace: Gothenburg, Sweden
- Eye Color: Blue
- Hair Color: Light-Brown
- Star sign: Taurus
- Ethnicity: White
- Nationality: Swedish
- Occupation: Musician
- Net Worth: $300 million
- In feet: 5 feet 10 inches
- Parents: Erik Gunnar Ulvaeus and AinaUlvaeus
- Children:Linda Elin Ulvaeus, Peter Christian Ulvaeus, Emma Ulvaeus, Anna Ulvaeus.
- Spouse: Agnetha Faltskog, 1971-1980.
Lena Kallersjo, 1981-present