TUSTIN, Calif.--(BUSINESS WIRE)--Toshiba America Medical Systems Inc. announced today that Joseph Cooper has been named director, CT Business Unit. As the new director, Cooper will be responsible for implementing tactical and strategic marketing plans that drive customer satisfaction, market share growth and profitability. He will also interface with the global business unit at Toshiba Medical Systems Corporation (TMSC) in Japan to communicate the needs and requirements of the U.S. market.