Chief

вождь

voždʹ

(leader of group, etc.)

голова́

holová

(head of an organization)

головни́й

holovnýj

(leader of group, etc.)

керівни́к

kerivnýk

(head of an organization)

нача́льник

načálʹnyk

(head of an organization)

проводи́р

provodýr

(leader of group, etc.)

шеф

šef

(head of an organization)