Education

• Degree in business administration (Dipl.-Kfm.) and doctorate (Dr. rer. pol.) from the University of Siegen

• Tax consultant examination

Career

• 1984:
  University of Siegen, Chair of Finance – Research assistant  

• 1988:
  University of Augsburg, Chair of Business Administration – Research assistant 

• 1988:
  Bertelsmann AG (international media company) – Assistant to the CFO

• 1989:
  Bertelsmann AG – Manager Finance/Special Projects

• 1992:
  Bertelsmann AG – Head of the CFO office

• 1996:
  Bertelsmann AG – Head of Corporate Finance

• 1998:
  Bertelsmann AG – EVP Corporate Treasury and Finance

• 2006:
  E.ON SE (listed energy supply company) – Senior Vice President Group Finance, Head of Finance, including Treasury, Asset Management, Corporate Finance, Finance Controlling, Financial Settlements and Insurance. Projects: Digitalization E.ONTreasury, Green Finance, Integration E.ON and innogy Finance

• 2020:
  Tax consultant

Membership of supervisory boards within the meaning of § 125 of the German Stock Corporation Act (AktG)

^{(as of November 6, 2025)}

• thyssenkrupp AG (since 2020, appointed until 2027)^*)

^{*) Company listed on the stock exchange}