the brains behind

the brains behind something

the person who provides ideas and plans for an activity Someone very clever must be the brains behind such an organized group of thieves.

Name	Pronounced	Usage
Agus	-	Indonesian
Joceline	zho-sə-LEEN	French
Crescenzo	-	Italian
Valarie	VAL-ə-ree	English
Lyndon	['lindn]
Teasag	-	Scottish