/ 2011-2012, Chief Operating Officer, COO
TECTUM Group, Gelsenkirchen and Schwetzingen (Germany)
International outsourcing corporation, consolidated sales 100 mn €, 2,800 employees worldwide

/ 2008-2011, Head of Customer Management,
Member of the Executive Board, Vice President
arvato services, Bertelsmann AG, Stuttgart und Brandenburg (Germany)
International Media corporation, Outsourcing unit, 11.000 employees

/ 2001-2008, Department head Customer Management, Senior Manager
arvato services, Bertelsmann AG, Stuttgart (Germany) and Istanbul (Turkey)
International Media corporation, Outsourcing unit, 11.000 employees

/ 1998-2000, Head of IT, Quality Assurance, Incoming and Outgoing Mail, Member of the Executive Board, Prokurist (authorized officer)
arvato direct services Stuttgart GmbH, Bertelsmann AG, Stuttgart (Germany)
Outsourcing Services in Customer Care, 250 employees

/ 1992-1998, Head of Quality Assurance (3 years), Head of Customer Care (3 years), Assistant Head of Customer Care (1 year)
Deutscher Bücherbund GmbH & Co., Holzbrink-Verlagsgruppe, Stuttgart
Book club organization of Bertelsmann AG, 1,500 employees; 4.5 million members in Germany, 100 branches

/ 1990-1991, Employee for IT-Helpdesk, coordination and organization
Deutscher Bücherbund GmbH & Co., Holzbrink-Verlagsgruppe, Stuttgart
Book club organization of Bertelsmann AG, 1,500 employees; 4.5 million members in Germany, 100 branches