Bistra Vassileva, PhD, works as Professor of Marketing at the University of Economics–Varna, Bulgaria. She graduated as Master of Science of Commodities. Since 1992 she is lecturing and consulting in the field of Marketing Research, International Marketing, Marketing Communications, TQM, Marketing Management. Dr. Vassileva was a visiting professor in Portugal, France, Germany, Spain, UK and a guest lecturer in Belgium. She implemented more than 15 international and national projects of different donors. During the last few years she took part in EU funded projects for various research issues and problems as an expert. She was a Marie Currie fellowship holder as a Senior researcher in 2007-2008 in Lodz, Poland. As a Director of the Centre for Innovation and Development at the University of Economics-Varna she is responsible for the organization of research and ICT projects with different scope. Member of CIM, ESOMAR and EMAC. Her scientific interests are focused on nonlinear dynamics and network theory in the field of marketing, marketing analytics and digital marketing.