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Ullrich Sierau

Independent Consultant for Companies, Administrations, Political Parties and Civil Society Initiatives

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  • Year of birth: 1956
  • Place of birth: Halle/Saale
  • Nationality: German
  • Member since: 20 April 2011
  • End of term: 2024


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


1983 - 1985

Internship in the field of urban development with the State of North Rhine-Westphalia

1986 - 1994

Ministry for Urban Development, Housing and Transportation, State of North Rhine-Westphalia

1994 - 1999

Director at the Institute of State and Urban Development Research, State of North Rhine-Westphalia

May 1999 - March 2005

Head of the Environment and Planning Department at the City of Dortmund

April 2005 - February 2007

Head of the Planning Department at the City of Dortmund

February 2007 - October 2009

Manager of the City of Dortmund and Head of the Planning, Urban Development and Infrastructure Department

October 2009 - October 2020

Mayor of the City of Dortmund

Since November 2020 Independent Consultant for Companies, Administrations, Political Parties and Civil Society Initiatives

Membership in other mandatory supervisory boards


Membership in comparable domestic and foreign supervisory committees of commercial enterprises


Core competences

  • Comprehensive energy expertise (electricity generation from renewables, energy trading and conventional electricity generation)
  • Expertise in company strategy development and implementation 
  • Competence in the areas of new technologies and digitisation
  • Leadership experience
  • Profound knowledge of the public sector
  • International experience in the energy sector, knowledge of its international status and of domestic and international interests in relation to the sector
  • Knowledge of accounting and financial statement audits
  • Special knowledge and experience in applying accounting principles and internal monitoring methods
  • Appropriate expertise in co-determination matters