John S. Chen

John S. Chen (Chinese: 程守宗; pinyin: Chéng Shǒuzōng; Jyutping: cing4 sau2 zung1; born July 1, 1955) is a Hong Kong-born British-American businessman serving as executive chairman and chief executive officer of BlackBerry Ltd. Previously, he served as the chief executive officer and president of Sybase, an independent software vendor specializing in data management, analytics, and mobility technology. He is currently a director of Wells Fargo & Company and Walt Disney Company.