Dr. Konstantinos Mamasis is the CEO of Megaventory Inc, a software company that creates state-of-the-art supply chain management software and makes it available as-a-service to modern companies. Kostis is an adjunct lecturer of a laboratory software course in the Department of Financial Management Engineering (University of the Aegean). In the past he founded and was actively managing a successful e-commerce business (2004-2008) and worked for the Greek branch of Siemens (2001-2003). He has years of hands-on experience in the e-commerce and software fields and is an expert in Operations Research with numerous research publications. Kostis holds a bachelors and a masters in Telecommunications engineering and a PhD in Operations Research.