Ullrich Sierau

Mayor of the City of Dortmund

Year of birth: 1956
Place of birth: Halle/Saale
Nationality: German


Obtained a degree in spatial planning in Dortmund and planning in Oxford




1983 - 1985Internship in the field of urban development with the State of North Rhine-Westphalia
1986 - 1994Ministry for Urban Development, Housing and Transportation, State of North Rhine-Westphalia
1994 - 1999Director at the Institute of State and Urban Development Research, State of North Rhine-Westphalia
May 1999 - March 2005Head of the Environment and Planning Department at the City of Dortmund
April 2005 - February 2007Head of the Planning Department at the City of Dortmund
February 2007 - October 2009Manager of the City of Dortmund and Head of the Planning, Urban Development and Infrastructure Department
since August 2009Mayor of the City of Dortmund

Membership in other mandatory supervisory boards

Dortmunder Energie- und Wasserversorgung GmbH (Chairman)

Dortmunder Stadtwerke AG (Chairman)

Dortmunder Stadtwerke Holding GmbH (Chairman)

KEB Holding AG (Chairman)


Membership in comparable domestic and foreign supervisory committees of commercial enterprises

KSBG Kommunale Verwaltungsgesellschaft GmbH

Schüchtermann-Schiller’sche Kliniken Bad Rothenfelde GmbH & Co. KG

Sparkasse Dortmund (Chairman)


Core competences

Utility sector

Public sector

Accounting and internal audit

Relevant knowledge in public services, change management, urban development and sustainability as well as in energy supply and the utility sector