Osti was headed by SS-Obersturmführer Max Horn, who was subordinated directly to Obergruppenführer Oswald Pohl of the SS-Wirtschafts-Verwaltungshauptamt (SS-WVHA), the SS economic administration department.[1] At its height, some 16,000 Jews and 1,000 Poles worked for the company, interned in a network of labor and concentration camps in the Lublin District of the semi-colonial General Government territory.[2][2]