Previously he was party chair from 2009 to 2017, federal minister of economy and energy (2013-2017), federal minister of environment, nature conservation and nuclear safety (2005-2009), and prime minister of Lower Saxony (1999-2003).
Gabriel studied politics, sociology and German at the University of Göttingen.
On December 5, 2017 German Foreign Minister Sigmar Gabriel speech at Korber Foundation, warned Iran nuclear deal collapse, cause could leads to military conflict, he stand with European Union assertive, between Trump administration and world leader effective that impact relation, between country. he said in statement,"US will never be same""the world is no longer a global community but an arena and also a battleground in which nations, nonstate actors and companies fight over advantages,".
- "Germany warns America will 'never be the same' after Trump". The Independent. 6 December 2017.
- Eddy, Melissa (5 December 2017). "In Era of Trump, Germany Seeks a Stronger Role Abroad" – via NYTimes.com.
- Welle (www.dw.com), Deutsche. "Sigmar Gabriel: To survive, the EU must become more assertive - DW - 05.12.2017". DW.COM.
- Online, FOCUS. "Der Kaiser von Goslar". FOCUS Online.
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