Possible Clues:

• The one calling the shots by closing 15 across
• Mounting rubbish delivered that swamps City boss
• The one calling the shots is bound to make a scene
• Supervisor, manager
• Note current clergyman is a member of the board
• Cordite explosive that's never ending - is there one in charge?
• Film VIP
• One who calls the shots
• Creditor breakdown produced by board member
• Principal clergyman behind revolutionary papers