Josefson participated in the World Junior Championship for the second time when he was named for Team Sweden by head coach Pär Mårts for the 2010 World Junior Championships, along with fellow Djurgården team-mates Daniel Brodin and Marcus Krüger.
Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | Jacob Jordaens | Paul Jacob | Meshullam ben Jacob | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | Jacob Truedson Demitz | Jacob ter Veldhuis | Jacob's Ladder | Jacob's biscuits | Jacob's Award | Jacob Rothschild | Jacob L. Devers | Jacob Latimore | Jacob Kirkegaard | Jacob Kielland | Jacob J. Shubert | Jacob Hackenburg Griffiths-Randolph | Jacob Bronowski |