Stock Photo - 23 October 2023, Hesse, Frankfurt/Main: Jörg Hofmann, outgoing First Chair of IG Metall, congratulates his successor Christiane Benner, new First Chair of IG Metall, at the industrial union's convention at the trade fair center after her election. Christiane Benner is the first woman to be elected to the top post in the union's 130-year history. The trade union conference takes place every four years and, with 421 delegates, is the highest decision-making body of Germany's strongest trade union with more than 2.1 million members. Photo: Arne Dedert/dpa. - Frankfurt/Main/Hesse/Germany