Ph.D.Hyeonseo Cho graduated from Osaka University, Japan, with a Doctor of Philosophy in Engineering and has been a professor in the Department of Ocean Integrated Science, Chonnam National University, from 1993 to date. His interests are heavy metals, POPs, PFOA/PFOS, microplastics, antifouling paints, organotins, eutrophication, chemical oceanography, water quality index, risk assessment of aquatic organisms, waters, and sediments. His research group has been dedicated to preserving the marine and limnetic environments via vigorous research activities.