Pantelis Nikolakopoulos is an Associate Professor at the Department of Mechanical Engineering and Aeronautics at the University of Patras, Greece. He graduated from the University of Patras in 1990 and received a Ph.D. degree in Mechanical Engineering in 1996. From 2004 to 2008, he served as an Engineer and project manager for the design and construction of energy power plants at the METKA S.A.He has been a Lecturer at the Department of Mechanical and Aeronautical Engineering since 2008. His current research interests are in the areas of tribology of machine elements, magneto/electrorheological fluids, active magnetic bearings, piston rings tribology, journal and floating ring bearings, transmissions, fault detection, and fatigue.