Senior Officials of the United Nations
The Protocol and Liaison Service maintains a list of Senior Officials of the United Nations (Under-Secretaries-General and Assistant Secretaries-General).
Departments are kindly advised to contact Mr. Hans Grohmann in the event of the appointment or departure of Senior Officials, or of any changes to the information contained in this list, by sending an email to grohmann<at>un.org or call (212) 963-2938.