On 12 July 2011, Gerber signed a one-year contract with Växjö Lakers of the Swedish Elitserien. Playing 42 games, he finished the 2011–12 season ranked fifth in the save percentage with .928 and seventh in goals against average (GAA) with 2.18, although Växjö failed to qualify for the playoffs. For the 2012–13 season, he signed with fellow Elitserien club Rögle BK. After one season with Rögle, Gerber returned to Switzerland in signing a two-year contract with Kloten Flyers. He retired from professional hockey after his contract with Kloten expired.