hon·cho /ˈhɒntʃəʊ $ ˈhɑːntʃoʊ/ noun (plural honchos) [countableC] informal head honcho• To do this you must first provoke one of the game's head honchos into a challenge.• Pehr Gyllenhammar, the Volvo group's head honcho, is a rare show visitor.
From Longman Business Dictionary
honchohon·cho /ˈhɒntʃəʊˈhɑːntʃoʊ/ noun [countableC] journalism someone who has the top position in an organization, or one of the top positionsThe company’s new head honcho has big changes in mind.