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
Priscilla	[pri'silə]
Thera	-	Dutch
Wealhm&Aelig;R	-	Anglo-Saxon
Alex	AL-əks (English), AH-ləks (Dutch)	English, Dutch, German, French, Portuguese, Italian, Romanian, Swedish, Norwegian, Danish, Icelandic
Pilib	-	Irish
Khordad	-	Persian Mythology