a heavy hitter

(American)

someone who is powerful and has achieved a lot Have you seen his resumé? He's a real heavy hitter.

Name	Pronounced	Usage
DÁIbhÍ	-	Irish
Maybelle	-	English
Min-Seo	meen-su	Korean
Dominika	daw-mee-NEE-kah (Polish)	Czech, Slovak, Slovene, Russian, Polish
Gianluca	jahn-LOO-kah	Italian
Minali	-	Indian, Hindi