High Quality Content by WIKIPEDIA articles! Kati Wilhelm (born August 2, 1976 in Schmalkalden, Thuringia) is a German former professional biathlete. Like most German biathletes she is also a member of the German Armed Forces (Bundeswehr) with the rank of master sergeant (Hauptfeldwebel). She currently resides in Steinbach-Hallenberg, also in the Federal State of Thuringia.