Michael Feeny Michael Feeny Sales Manager, Windmoeller & Hoelscher Corporation United States (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
Björn Voges Björn Voges Marketing-Manager, Greif-Velox Maschinenfabrik GmbH Germany (Click for more!)