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
Dzhamal	-	Chechen
Torkel	-	Norwegian, Swedish
Trisha	TRISH-ə	English
Cornell	kawr-NEL	English
ÁLvaro	AHL-bah-ro (Spanish)	Spanish, Portuguese
Chesley	CHES-lee	English