Young Hun Jeong received the B.S. and M.S. degrees in mechanical engineering from Pusan National University, Busan, South Korea, in 1998 and 2000, respectively, and the Ph.D. degree from the Pohang University of Science and Technology, Pohang, South Korea, in 2005. He joined the faculty at Korea Polytechnic University, Siheung, South Korea, from 2008, moving to Kyungpook National University, Daegu, South Korea, in 2014. He is currently an Assistant Professor at the School of Mechanical Engineering, Kyungpook National University. His research interests include precision machining, micro/nanomanufacturing of functional materials, and dynamics of feed drive system.