Björn Ulvaeus                                                    
                        
                            Björn Kristian Ulvaeus, born on April 25, 1945, in Gothenburg, Sweden, is a renowned musician, singer, songwriter, and producer, best known as a member of the iconic pop group ABBA. He moved to Västervik, Kalmar County, at the age of six. Ulvaeus initially gained fame as a member of the Hootenanny Singers, a Swedish folk-schlager band, before forming ABBA with Benny Andersson, Agnetha Fältskog, and Anni-Frid Lyngstad. Together with Andersson, Ulvaeus co-wrote many of ABBA's greatest hits, including "Waterloo," "SOS," "Dancing Queen," and "The Winner Takes It All."
Ulvaeus's career began in the early 1960s when he played in a skiffle group and later a Dixieland band. He met Benny Andersson in 1966, and the two began a successful songwriting partnership. Their collaboration extended beyond ABBA, leading to the creation of musicals such as "Chess," "Kristina från Duvemåla," and "Mamma Mia!" Ulvaeus also co-produced the films "Mamma Mia!" and "Mamma Mia! Here We Go Again."
In his personal life, Ulvaeus married Agnetha Fältskog in 1971, with whom he had two children, Linda and Peter. The couple divorced in 1980. He later married Lena Källersjö in 1981, with whom he had two daughters, Emma and Anna, before their separation in 2022. In 2024, he married Christina Sas.
Ulvaeus has been recognized for his contributions to music with various awards and has an estimated net worth of around $300 million. His influence extends beyond music, as he has been involved in initiatives like the Music Rights Awareness Foundation.                        
                        
                        
                                                            
                                     
                                
                            
                            
                                