Steffen Möller (German pronunciation: [ˈʃtɛfn̩ ˈmœlɐ]; born 22 January 1969 in Wuppertal) is a German teacher, actor, satirist and stand-up artist, living and performing in Poland and Germany. Known there from the TV show and the M jak miłość soap opera (as Stefan Müller). He was also the host for the first season (running from September 2005 to December of the same year) of the Polish edition of the TV show Wetten, dass..? (known there as Załóż się). Since 2008 he has performed on various stand-up comedy tours in Germany, Poland and Austria.