Answer:

mastermind

AnswerCrossword Clue
MASTERMINDBrains
MASTERMINDSupreme strategist
MASTERMINDPlan and direct
MASTERMINDDu Maurier's Svengali, for instance.
MASTERMINDLeader of a brain trust.
MASTERMINDBrains behind a project.
MASTERMINDEngineer.
MASTERMINDSuperman of a sort
MASTERMINDMember of the brain trust.
MASTERMINDMan with a plan.
MASTERMINDTop project planner.
MASTERMINDCriminal boss
MASTERMINDBrainy ringleader
MASTERMINDPull the strings
MASTERMINDVery clever planner
MASTERMINDEngineer
MASTERMINDGenius
MASTERMINDTwo-player logic game with colored pegs