1. Editor-in-Chief of Episodes, Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea
2. Managing Editor of Episodes, Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea
3. IUGS Secretary General, Department of Geological Sciences, California State University, Long Beach, CA 90840, USA
4. IUGS Publications Committee Chair, Department of Geology, University of Salamanca, 37008 Salamanca, Spain