Asscher jẹ Lijsttrekker (oludije ti o ga julọ) fun Ẹgbẹ Oṣiṣẹ ni idibo ilu 2006 ati di Igbakeji Mayor ati Alderman ni 26 Kẹrin 2006. Lẹhin ifẹhinti ti Mayor of Amsterdam Job Cohen lati dije fun olori ẹgbẹ ẹgbẹ fun idibo 2010, Asscher ṣiṣẹ bi Igbakeji Mayor ti Amsterdam lati 12 Oṣu Kẹta ọdun 2010 titi di 7 Keje ọdun 2010.
Ọdún 2010