RVSI Acuity CiMatrix (Canton, MA) has appointed John Agapakis as chief technology officer and senior vice president of engineering. He has served as senior vice president, machine-vision research and development, since 1996. . . . NEC Technologies Inc. (Itasca, IL; www.nectech.com) has promoted John Bruni to senior vice president of each of the company`s product divisions, sales operations, customer service and support, and corporate communications.