1. Combined Master's and Doctorate Degree, Department of Energy & Mineral Resources Engineering, Sejong University, Seoul, Korea
2. Master's Degree, Department of Energy & Mineral Resources Engineering, Sejong University, Seoul, Korea
3. Post-doc, DGR/CIM, BRGM-Service Geologique national, Orleans, France
4. Principal Researcher, Korea Institute of Geoscience and Mineral Resources, Daejeon, Korea