Ratko Obradović is head of the Chair for Computer Graphics and also the founder and head of Computer Graphics - Engineering Animation Studies (at the Undergraduate, Master and Doctoral level of Academic Studies). His research interests include Computer Graphics, Computer Animation, CAD, Scientific Visualization, and Virtual and Augmented Reality. His strongest point of credentials is his deep knowledge of virtual reality modeling based on photogrammetric research, as evidenced by scientific research results published in an open-access scientific journal.