# Ullrich Sierau

_Lord Mayor of Dortmund (Social Democrat)_

Canonical: https://diginpl.com/people/ullrich-sierau
Last updated: 2026-11-06

> Ullrich Sierau is a German politician from the Social Democratic Party of Germany and, since 15 June 2014, for the third time, has been the lord mayor of Dortmund. After retaining this position already from 21 October 2009 to 18 January 2010, he was re-elected in an election on May 9, 2010, repeat election of the mayor elections in 2009 for mayor of Dortmund. His term would last until 2016. In the local elections in North Rhine-Westphalia in 2014, Sierau approached again, reaching a vote share of 43.7%. When carried out in the June 15, 2014 runoff he, then reached 51.6% of the vote, his opposition candidate Annette Littmann from the Christian Democratic Union of Germany, who received 32.0% in the first ballot, subjected to 48.4%.

## Quick facts

- **Born:** 6 March 1956 ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P569))
- **Place of birth:** Halle (Saale) ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P19))
- **Citizenship:** Germany ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P27))
- **Occupation:** spatial planner; burgomaster; politician; primator ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P106))
- **Political party:** Social Democratic Party of Germany ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P102))
- **Positions held:** burgomaster; mayor; city manager ([Wikidata](https://www.wikidata.org/wiki/Q2475279#P39))

## Questions

**When was Ullrich Sierau born?**  
Ullrich Sierau was born on 6 March 1956 in Halle (Saale).

**What positions has Ullrich Sierau held?**  
Positions held by Ullrich Sierau include: burgomaster; mayor; city manager.

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## Sources

- [Wikipedia (English): Ullrich Sierau](https://en.wikipedia.org/wiki/Ullrich_Sierau) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q2475279](https://www.wikidata.org/wiki/Q2475279) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: Sierau.jpg by Itti (CC BY-SA 3.0)](https://commons.wikimedia.org/wiki/File:Sierau.jpg)

## Licence and attribution

Text from the Wikipedia article Ullrich Sierau, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Sierau.jpg — Itti, CC BY-SA 3.0.

## Cite this page

"Ullrich Sierau". DigiNepal. Last updated 6 November 2026. https://diginpl.com/people/ullrich-sierau. Retrieved 14 November 2026.