Dr Antonios Protopsaltis is a Special Teaching Fellow in the dept. of Electrical and Computer Engineering of University of Western Macedonia since 2017. He has received the B.Sc. and M.Sc. degrees in Computer Science from Concordia University Montreal Canada in 1994 and 1996 respectively. He received the Ph.D. degree in the field of “Visualization - 3D Graphics and CAD” from the dept. of Computer Science at University of Ioannina in 2010. He has been involved in several national, and EU projects. He is a reviewer in international scientific journals of high impact. His scientific interests include, 1. Computer Graphics, 2. Geometric Modeling of 3D objects, 3. Reverse Engineering of 3D objects, 4. Computer Aided Design – CAD, 5. Scientific Visualization.