Konstantinos Lionakis holds a PhD in Marketing (awarded by Emerald), an MSc in Marketing and Communications from the Athens University of Economics and Business, and a degree in Mathematics from the University of the Aegean, in Greece. He has published several articles in academic journals and international academic conferences, recently receiving the Best Paper Award for his paper on Marketing-Sales cooperation at the 2015 GSSI conference. He has extensive teaching experience at BA, BSc, MSc, MBA and Executive level in Marketing-related courses such as Sales Management, Marketing Management, Marketing Research, and International Marketing, at Athens University of Economics and Business, the Agricultural University of Athens, New York College Athens (NYC), and the International College of Business Studies (ICBS), with student acknowledgments for excellence. He is also working as a research fellow at Athens Laboratory of Research in Marketing (ALaRM) of Athens University of Economics and Business, while he is serving as an ad-hoc reviewer at the international academic journals “Journal of Marketing Theory and Practice” & “Journal of Personal Selling & Sales Management”, as well as a reviewer and Session Chairman at the conferences of the European Marketing Academy (EMAC). His academic interests are Marketing – Sales Organization, Market Orientation, Marketing Research, Sales and Strategic Marketing, among others. Beyond his academic work he is also a practitioner of Sales and Marketing as a consultant for several firms, and an entrepreneur, as he is the founder and general manager of a tutorial school for high-school students.