1975 - 1989: After attending a grammar school for classical languages as well as receiving training and further education employed in various accounting departments at Mannesmannröhren-Werke (MRW)
1989 - 1999: Head of the financial reporting/consolidation department at MRW
1999 - 2002: Head of Accounting (Director) at MRW
2002 - 2007: Head of Accounting and Finance (Director) at MRW
2007 - 2017: Managing Director at Vallourec Deutschland GmbH (Chair of the Management Board for eight years) with responsibility for strategic, auditing, taxes, finance, legal, IT and purchasing issues and managing senior executives