Dimitrios Zarpalas is a Principal Researcher (Grade B) at Information Technologies Institute (ITI) of Centre for Research and Technology Hellas (CERTH). He holds the diploma of Electrical and Computer Engineer from Aristotle University of Thessaloniki, A.U.Th, an MSc in computer vision from The Pennsylvania State University, and a PhD in medical informatics (Health Science School, department of Medicine, A.U.Th). He joined ITI in 2008, as an Associate Researcher.