Positions/Job Titles ▣supervisor ▣chairman of the ▣senior engineer board ▣leader ▣ members of the ▣chairman of the board ▣ department secretary ▣clerk ▣dean ▣technicians ▣president ▣assistant ▣chief executive intern ▣general manager security guard department managerjanitor an advanced student or a recent graduate undergoing supervised practical training Unit 3,Book 4  chairman of the board  members of the board  secretary  clerk  technicians  assistant  intern  security guard  janitor  supervisor  senior engineer  leader  chairman of the department  dean  president  chief executive  general manager  department manager an advanced student or a recent graduate undergoing supervised practical training Unit 3, Book 4 Positions/Job Titles