Born in Cologne, Tander is the daughter of an Afghan journalist father, who died when she was a child, and a German teacher mother.

In the following years she played in the Netherlands with trumpeter Eric Vloeimans[2] and with Bo van de Graaf's I Compani, where she made contributions for the albums Fellini (2004),[3] Garbo and Extended 2013.

Simin was also invited several times from UN Women Committee to represent Germany for international events and in June 2015 interpreted the UN Women-Song One Woman during the 20'th Beijing Conference.

In addition, she contributes regularly to other projects, such as in 2015 to the TFF Rudolstadt with the 'Ruth ausgezeichnete Ensemble' Eurasians Unity under the direction of Caroline Thon, or Heiner Schmitz' Sins & Blessings.

With David Golek With Hazel Leach's PLoTS With Tord Gustavsen and Jarle Vespestad Media related to Simin Tander at Wikimedia Commons