SIEGY - Siemens' Kayser to lead portfolio companies December, 11 2019 07:43 AM Siemens AG ADR Siemens (OTCPK:SIEGY) has appointed its strategy chief and former Kuka CEO Horst J. Kayser as boss of its loss-making portfolio companies.More news on: Siemens Aktiengesellschaft, Siemens Aktiengesellschaft, Read more ...