-Since April 2025, he has been a Full Professor (Tenured) with Department of Data Informatics/Data Science, National Korea Maritime and Ocean University, Republic of Korea. -He was a Research Professor at Dankook University, Republic of Korea, from July 2016 to September 2016. Also, he was an Assistant Professor with the Department of Software, Catholic University of Pusan, Republic of Korea, from December 2016 to August 2019. Also, he was an Assistant Professor with the Department of Data Informatics, National Korea Maritime and Ocean University, Republic of Korea, from Sep., 2019 to Sep., 2021. Also, he was an Associate Professor (Tenured) with the Department of Data Informatics, National Korea Maritime and Ocean University from Oct., 2021 to Mar., 2025. Also, since September 2020, he has been an Center Chair of Big Data Center for Total Lifecycle of Shipbuilding and Shipping at National Korea Maritime and Ocean University. -He is the Book Author of “Smart Grid Test Bed Using OPNET and Power Line Communication” pp.1-425, IGI Global, USA, 2017. Also, He is the Book Author of “Principles, Policies, and Applications of Kotlin Programming” pp.1-457, IGI Global, USA, 2023. And, he has authored/edited 10 books and edited 10 special issues in reputed Clarivate Analytics Index journals. Also, he has published more than 118 articles in Clarivate Analytics Index (SCI/SCIE/SSCI indexed) with over 4730 citations and has an h-index of 36.