Born on 5 September 1969 in Gießen

1989
Abitur (university entrance qualification)

1989 to 1995
Studied physics at the Technical University (TU) of Munich and RWTH University of Aachen 

1995 to 1997
PhD in physics at the RWTH University of Aachen and tje Jülich Research Centre  

1998 to 2003
Consultant at The Boston Consulting Group

2000
MBA at INSEAD, Fontainebleau

2003 to 2006
Various managerial functions at Deutsche Telekom AG

2006 to 2011
Member of the Board of Vodafone in Romania and Great Britain

2011 to 2012
Partner and Managing Director at The Boston Consulting Group

2012 to 2016
Member of the Board of Telstra Group Ltd. in Melbourne, Australia

2016 to 2021
Member of the Board of E.ON SE

2021 to 2025
CEO and Chair of the Board and CEO of CECONOMY AG

Since May 2025
Member of the CDU

Since 6 May 2025
Federal Minister for Digital Transformation and Government Modernisation