Oktay Erciyaz was promoted to CEO of the Trenkwalder Group AG in May 2017. In addition to managing the group, he focuses on sales, growth and business development. An MBA, Erciyaz has more than 20 years of executive experience in corporate development. He started his career at Preussag AG and worked for various units and divisions of the Bertelsmann Group, especially at the service group Arvato.