He serves as the editor-in-chief, editor and associate editor of a number of international medical journals. Dr Cho is also an international renowned grant reviewer of the Hope Funds for Cancer Research (USA), Cancer Research (UK), MRC Research Grant (UK), Health Research Board (Ireland), Science Foundation (Ireland), Istituto Toscano Tumori (Firenze), The Foundation Fournier-Majoie for Innovation (Brussels), National Medical Research Council (Singapore), The Medical Research Council (South Africa), and Academia Sinica Investigator Award (Taiwan), etc.