Siemens is looking out for a new Chief Executive for its Nokia-Siemens mobile phone network equipment joint venture – Nokia Siemens Networks (NSN). NSN is a 50-50 joint venture with partner Nokia. According to Sibylle Wenkel, Siemens supervisory board member, “Siemens finance director Joe Kaeser has been looking around for an alternative to the current CEO Rajeev...