Kurt Kjellberg was born on October 11, 1931 in Göteborg and made his IFK Göteborg debut in the 1957/58 season. At 26 years, 10 months and 13 days, on August 24, 1958, he took part his first competetive game against Helsingborgs IF in an Allsvenskan game that ended 0–0. He spent two seasons with the IFK Göteborgs first team, and during his career he played in 6 first team games and scored 3 goals. Out of these 6 first team games, 1 were Allsvenskan games.. Kjellberg won the Swedish championship with IFK Göteborg in 1957-58. Kjellberg passed away in 2019, 87 years old.