Meticulous in dealing with people, thorough in his work, the best Chief of Staff, and a hard-to-bear superior: these are some of the ways people who have worked with him have described the new Minister of Defense, Cheng Wei-yuan.
「為人周到、行事周全，最好的幕僚長與不可多得的長官」，這是多位曾與國防部長鄭為元共事過的人對他所做的評語。