Chaesub Lee
Chaesub Lee PhD ( Korean: 이재섭 ) is the Director of ITU Telecommunication Standardization Bureau , the permanent secretariat of the International Telecommunication Union Telecommunication Standardization Sector ( ITU-T ) and as such , an Under-Secretary-General of the United Nations . 
<triplet> ITU-T <subj> International Telecommunication Union <obj> part of