Hoan-Suk Choi received a Ph.D. degree from Hanbat National University, Daejeon, South Korea, in 2018, in Multimedia Engineering. He is currently working as an assistant professor in the Department of Game Studies at Kyungnam University. Before Joining Kynungnam Univ., he worked as a Manager in the Business Dev. Team at MegazoneCloud from 2021. He worked as a Post-doc researcher at the School of Electrical and Electronics Engineering, KAIST from 2020 to 2021. His research interests include Social Internet of Things, Semantic Processing, Trust management, Privacy Preserving Technology, Cloud Computing and AI for Manufacturing.