Sebastian Leupold (MVP) is CEO of gamma concept, a solutions company specialized in developing database driven software for PC and web, which is part of dnnWerk, a compound of leading DotNetNuke experts in Germany.

After studying Economics and Business Engineering at Karlsruhe University he acquired professional experience in software applications for nearly two decades.

Sebastian creates and maintains German language packs for DotNetNuke framework and modules. As a member of the DotNetNuke Core Team, he is responsible for module release testing and member of the User Experience Team. Sebastian co-founder of the German DotNetNuke User Group as well as DNN-Europe, Network fo DotNetNuke Professionals, for which he organized first European Day of DotNetNuke 2010 in Paris.