Prof. Oleksiy Penkov is an Associate Professor of ZJUI. He received his B.S. and M.S. degrees from the National Technical University “KhPI” (Ukraine). In 2007 he received his doctorate degree in physics and mathematics, with a specialty in solid state physics from the Institute of Electrophysics and Radiation Technologies, NAS of Ukraine. He worked in Korea, as a post-doc and research professor. Before joining ZJUI, he was a research professor in the Center for Nano-Wear at Yonsei University, Korea.