Dr. Chul-Young Park Research Institute Director of TEF Co., ltd. in Republic of Korea, where I lead the team responsible for machine learning algorithm applied on the renewable energy systems. Previously, I was received the Ph.D. degree in applied machine learning algorithm with information system of reliability theory and techniques from Sunchon National University, Republic of Korea, in 2017. Timeline. 2018-now. Research Institute Director of TEF Co., ltd. in Republic of Korea, Machine Learning algorithm for renewable energy systems. 2013-2017. Sunchon National University Ph.D. in Republic of Korea, Research Scientist at machine learning algorhtim applied with information system. 2010-2012. Sunchon National University Master in Republic of Korea, Research of information system, control theory and computing algorithm.