Career
He spent six seasons in the 2. Bundesliga with Preußen Münster and VfL Osnabrück. Since retiring as a player, Loos has worked in various functions for a number of German football clubs, mostly as business manager or executive director, namely for VfL Osnabrück (1986–1992), Dynamo Dresden (1993), 1.
Football Club Köln (1993–2002), Eintracht Braunschweig (2002–2006), 1.
Football Club Saarbrücken (2007–2008), TuS Koblenz (2008–2011), and RB Leipzig (2011–2012). At Eintracht Braunschweig, he also took over as caretaker manager for a short time in 2004.
