<page_title> Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator </page_title> <section_title> List of Under-Secretaries-General </section_title> <table> <cell> Mark Lowcock <col_header> Name </col_header> </cell> <cell> United Kingdom United Kingdom <col_header> Nationality </col_header> </cell> <cell> September 2017 <col_header> Office entered </col_header> </cell> <cell> current <col_header> Office left </col_header> </cell> </table>
The current holder is Mark Lowcock of the United Kingdom, who took office in September 2017, following his appointment by UN Secretary-General.