United Nations Department of Political and Peacebuilding Affairs had 13 Under-Secretary-General from Soviet Union while only one from Russia, Sierra Leone, and Nigeria became Under-Secretary-Generals.
Konstantin Zinchenko Soviet Union Ilya S. Tchernychev Soviet Union Dragoslav Protitch Soviet Union Anatoly F. Dobrynin Soviet Union Georgy Arkadev Soviet Union E.D. Kiselyv Soviet Union V.P. Suslov Soviet Union Alexei E. Nesterenko Soviet Union Leonid N. Kutakov Soviet Union Arkady N. Shevchenko Soviet Union Mikhail D. Sytenko Soviet Union Viacheslav A. Ustinov Soviet Union Vasilly S. Safronchuk Soviet Union Vladimir F. Petrovsky Russia James O.C. Jonah Sierra Leone Ibrahim Gambari Nigeria 
