- 1992 – 1996 Ph.D. in Computer Engineering from Pusan National University, Korea
- 1990 – 1992 M.S. in Computer Engineering from Pusan National University, Korea
- 1986 – 1990 B.S. in Computer Engineering from Pusan National University, Korea
- 1999.03 – Present Professor, Dept. of Information and Communication Engineering, Changwon National University, Korea
- 2023.09 – 2024.08 Visiting Professor, Pasundan University(UNPAS), Indonesia
- 2021.08 – 2023.07 Director, Information and Computer Center, Changwon National University, Korea
- 2017.09 – 2018.08 Visiting Professor, Pasundan University(UNPAS), Indonesia
- 2014.10 – 2017.08 Director, Innovation Center for Engineering Education, Changwon National University, Korea
- 2014.06 – 2017.05 ICT Team Leader, Leading University Project for International Cooperation, Changwon National University, Korea
- 2011.03 – 2013.02 Director, Application Creation Center, Changwon National University, Korea
- 2009.09 – 2011.02 Visiting Professor, University of Florida(UF), USA
- 2004.03 – 2005.02 Visiting Professor, GCATT(Georgia Center for Advanced Telecommunication Technologies), Georgia Tech, USA
- 1996.02 – 1999. 02 Senior Member of Research Staff, PEC(Protocol Engineering Center), ETRI(Electronics & Telecommunications Research Institute), Korea
- Data Communications ... How to understand the OSI 7 Layer, Transmission Media, Multiplexing, Local Area Network, TCP/IP, etc.
- Server Architecture ... How to manage the Server System with Commands, Utilities, Networking, Shell Programming, etc.
- Database Programming ... How to develop Web Applications with PHP and MySQL
- Basic Web Programming … How to develop Web Site with HTML5, CSS3, JavaScript, jQuery, etc.
- Seminar on Database Design … How to use MySQL and NoSQL for developing Applications with IoT(Internet of Things), Machine Learning, Big Data, etc.
- Seminar on IoT(Internet of Things) ... How to design and implement IoT application services using Sensors and Devices, Communication Modules, Cloud DB, Web, Mobile Applications, etc.
- KIICE(Korea Institute of Information & Communication Engineering), Life Member
- KIICE, IT Convergence Section for International Conference, Section Leader
- KIICE, Domestic and International Conference, Committee Member
- KIICE, Domestic and International Conference, Audit Position
- IJMIC(International Journal of Machine Intelligence and Computing), Advisory Board Member
- AMICT(International Conference on Advances in Machine Intelligence and Cybersecurity Technologies), Advisory Board Member