Julian Kellner studied Business Administration at the Georg August University of Göttingen form 2004 until 2008. In winter term 2005/2006 he absolved an term abroad in France at the IÉSEG - School of Management in Lille.
During his studies he absolved an internship at NOVELIS Germany in spring 2006. Furthermore he worked as a student assistant at the chair of economics (Prof. Dr. Cr. H.c. Günter Gabisch) and as a tutor at the chair of retailing (Prof. Dr. Waldemar Toporowski). After one year as a working student at the ZUFALL logistics group he started working there as an employee in the field of Business Development.
After finishing university Julian Kellner was employed as a student assistant at the chair of retailing from October 2008 to April 2014. The main topics of his research are Multi-Channel Retailing, Customer behavior in Multi-Channel Systems, new technologies in the content of retailing and Efficient Customer Response (ECR).
In May 2014 Dr. Kellner successfully defended his doctoral thesis with the title: " ."