Tokyo Electron Limited Announces Change in Representative Director. the company announced Sadao Sasaki new position as Representative Director, Executive Vice President & General Manager, Development & Production first Division, Development & Production fourth Division, EHS, Quality, Procurement, Production Technology. Previous Position: Corporate Director, Executive Vice President & General Manager, Development & Production 1st Division, Development & Production 4th Division, EHS, Quality, Procurement, Production Technology. Tetsuo Tsuneishi new position is Chairman of the Board from Representative Director, Chairman of the Board.