Mary Jane Hellyar was named president of Eastman Kodak Co.'s Display and Components Group. Hellyar is currently general manager, Film Capture, Digital & Film Imaging Systems and a vice president of the company. She replaces Willy C. Shih, who has resigned, effective in January, after which he will have a consulting role. Candy M. Obourn, COO, Health Imaging, and a senior vice president of the company, will succeed Hellyar as general manager, Film Capture, Digital & Film Imaging Systems. Hellyar and Obourn will begin their new positions immediately. . . . 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