Prof. Sung Oh Cho has been appointed as an editorial board member of an international journal, World Journal of Nano Science and Engineering (WJNSE). WJNSE is an open-access journal published by Scientific Research Publishing Inc. WJNSE contains original and innovative research pertaining to the applications of the physical, chemical and biological sciences to engineering at nano scale. All the papers published in this journal are highly downloaded (a few hundred to a few thousand times), indicating that very high-quality papers have been published. The details of the journal can be seen on the web site: http://www.scirp.org/Journal/wjnse/.