Jörg Müller is Senior Vice President R&D Cell at Hanwha Q Cells GmbH. He studied physics in Munich and Edinburgh. In 2000 he joined ISFH working in the field of rear contacted and bifacial sensitive solar cells. He received his Ph.D. degree from Hannover University in 2005. He joined Q-Cells SE in 2004 working in several positions in the technology division. Since 2007 he is leading the crystalline silicon cell development at Q Cells.